diff --git a/package.json b/package.json
index 3c7b1ee..80efe60 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "ajv": "^6.1.1",
     "express": "^4.16.2",
     "husky": "^0.14.3",
-    "jest": "^22.3.0",
+    "jest": "^23.0.1",
     "lint-staged": "^7.0.0",
     "prettier": "^1.10.2",
     "prettier-check": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index be78df0..ed76993 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -296,12 +296,12 @@ babel-helpers@^6.16.0:
     babel-runtime "^6.0.0"
     babel-template "^6.16.0"
 
-babel-jest@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.1.tgz#ff53ebca45957347f27ff4666a31499fbb4c4ddd"
+babel-jest@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-23.0.1.tgz#bbad3bf523fb202da05ed0a6540b48c84eed13a6"
   dependencies:
-    babel-plugin-istanbul "^4.1.5"
-    babel-preset-jest "^22.4.1"
+    babel-plugin-istanbul "^4.1.6"
+    babel-preset-jest "^23.0.1"
 
 babel-messages@^6.8.0:
   version "6.8.0"
@@ -309,27 +309,28 @@ babel-messages@^6.8.0:
   dependencies:
     babel-runtime "^6.0.0"
 
-babel-plugin-istanbul@^4.1.5:
-  version "4.1.5"
-  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz#6760cdd977f411d3e175bb064f2bc327d99b2b6e"
+babel-plugin-istanbul@^4.1.6:
+  version "4.1.6"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   dependencies:
+    babel-plugin-syntax-object-rest-spread "^6.13.0"
     find-up "^2.1.0"
-    istanbul-lib-instrument "^1.7.5"
-    test-exclude "^4.1.1"
+    istanbul-lib-instrument "^1.10.1"
+    test-exclude "^4.2.1"
 
-babel-plugin-jest-hoist@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.1.tgz#d712fe5da8b6965f3191dacddbefdbdf4fb66d63"
+babel-plugin-jest-hoist@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-23.0.1.tgz#eaa11c964563aea9c21becef2bdf7853f7f3c148"
 
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
 
-babel-preset-jest@^22.4.1:
-  version "22.4.1"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.1.tgz#efa2e5f5334242a9457a068452d7d09735db172a"
+babel-preset-jest@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-23.0.1.tgz#631cc545c6cf021943013bcaf22f45d87fe62198"
   dependencies:
-    babel-plugin-jest-hoist "^22.4.1"
+    babel-plugin-jest-hoist "^23.0.1"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
 babel-register@^6.18.0:
@@ -512,6 +513,10 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
+buffer-from@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.0.0.tgz#4cb8832d23612589b0406e9e2956c17f06fdf531"
+
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -621,12 +626,12 @@ cliui@^2.1.0:
     right-align "^0.1.1"
     wordwrap "0.0.2"
 
-cliui@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+cliui@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-4.1.0.tgz#348422dbe82d800b3022eef4f6ac10bf2e4d1b49"
   dependencies:
-    string-width "^1.0.1"
-    strip-ansi "^3.0.1"
+    string-width "^2.1.1"
+    strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
 co@^4.6.0:
@@ -670,6 +675,10 @@ commander@^2.9.0:
   dependencies:
     graceful-readlink ">= 1.0.0"
 
+compare-versions@^3.1.0:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.2.1.tgz#a49eb7689d4caaf0b6db5220173fd279614000f7"
+
 component-emitter@^1.2.0, component-emitter@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
@@ -1063,6 +1072,17 @@ expect@^22.4.0:
     jest-message-util "^22.4.0"
     jest-regex-util "^22.1.0"
 
+expect@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/expect/-/expect-23.0.1.tgz#99131f2fd9115595f8cc3697401e7f0734d45fef"
+  dependencies:
+    ansi-styles "^3.2.0"
+    jest-diff "^23.0.1"
+    jest-get-type "^22.1.0"
+    jest-matcher-utils "^23.0.1"
+    jest-message-util "^23.0.0"
+    jest-regex-util "^23.0.0"
+
 express@^4.16.2:
   version "4.16.3"
   resolved "https://registry.yarnpkg.com/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
@@ -1863,78 +1883,79 @@ isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
-istanbul-api@^1.1.14:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.2.1.tgz#0c60a0515eb11c7d65c6b50bba2c6e999acd8620"
+istanbul-api@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.3.1.tgz#4c3b05d18c0016d1022e079b98dc82c40f488954"
   dependencies:
     async "^2.1.4"
+    compare-versions "^3.1.0"
     fileset "^2.0.2"
-    istanbul-lib-coverage "^1.1.1"
-    istanbul-lib-hook "^1.1.0"
-    istanbul-lib-instrument "^1.9.1"
-    istanbul-lib-report "^1.1.2"
-    istanbul-lib-source-maps "^1.2.2"
-    istanbul-reports "^1.1.3"
+    istanbul-lib-coverage "^1.2.0"
+    istanbul-lib-hook "^1.2.0"
+    istanbul-lib-instrument "^1.10.1"
+    istanbul-lib-report "^1.1.4"
+    istanbul-lib-source-maps "^1.2.4"
+    istanbul-reports "^1.3.0"
     js-yaml "^3.7.0"
     mkdirp "^0.5.1"
     once "^1.4.0"
 
-istanbul-lib-coverage@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.1.tgz#73bfb998885299415c93d38a3e9adf784a77a9da"
+istanbul-lib-coverage@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.2.0.tgz#f7d8f2e42b97e37fe796114cb0f9d68b5e3a4341"
 
-istanbul-lib-hook@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.1.0.tgz#8538d970372cb3716d53e55523dd54b557a8d89b"
+istanbul-lib-hook@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.2.0.tgz#ae556fd5a41a6e8efa0b1002b1e416dfeaf9816c"
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.8.0, istanbul-lib-instrument@^1.9.1:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.1.tgz#250b30b3531e5d3251299fdd64b0b2c9db6b558e"
+istanbul-lib-instrument@^1.10.1:
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.10.1.tgz#724b4b6caceba8692d3f1f9d0727e279c401af7b"
   dependencies:
     babel-generator "^6.18.0"
     babel-template "^6.16.0"
     babel-traverse "^6.18.0"
     babel-types "^6.18.0"
     babylon "^6.18.0"
-    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-coverage "^1.2.0"
     semver "^5.3.0"
 
-istanbul-lib-report@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.2.tgz#922be27c13b9511b979bd1587359f69798c1d425"
+istanbul-lib-report@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.4.tgz#e886cdf505c4ebbd8e099e4396a90d0a28e2acb5"
   dependencies:
-    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-coverage "^1.2.0"
     mkdirp "^0.5.1"
     path-parse "^1.0.5"
     supports-color "^3.1.2"
 
-istanbul-lib-source-maps@^1.2.1, istanbul-lib-source-maps@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.2.tgz#750578602435f28a0c04ee6d7d9e0f2960e62c1c"
+istanbul-lib-source-maps@^1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.4.tgz#cc7ccad61629f4efff8e2f78adb8c522c9976ec7"
   dependencies:
     debug "^3.1.0"
-    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-coverage "^1.2.0"
     mkdirp "^0.5.1"
     rimraf "^2.6.1"
     source-map "^0.5.3"
 
-istanbul-reports@^1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.1.3.tgz#3b9e1e8defb6d18b1d425da8e8b32c5a163f2d10"
+istanbul-reports@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.3.0.tgz#2f322e81e1d9520767597dca3c20a0cce89a3554"
   dependencies:
     handlebars "^4.0.3"
 
-jest-changed-files@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-22.2.0.tgz#517610c4a8ca0925bdc88b0ca53bd678aa8d019e"
+jest-changed-files@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-23.0.1.tgz#f79572d0720844ea5df84c2a448e862c2254f60c"
   dependencies:
     throat "^4.0.0"
 
-jest-cli@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.2.tgz#e6546dc651e13d164481aa3e76e53ac4f4edab06"
+jest-cli@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-23.0.1.tgz#351a5ba51cf28ecf20336d97a30b970d1f530a56"
   dependencies:
     ansi-escapes "^3.0.0"
     chalk "^2.0.1"
@@ -1943,24 +1964,24 @@ jest-cli@^22.4.2:
     graceful-fs "^4.1.11"
     import-local "^1.0.0"
     is-ci "^1.0.10"
-    istanbul-api "^1.1.14"
-    istanbul-lib-coverage "^1.1.1"
-    istanbul-lib-instrument "^1.8.0"
-    istanbul-lib-source-maps "^1.2.1"
-    jest-changed-files "^22.2.0"
-    jest-config "^22.4.2"
-    jest-environment-jsdom "^22.4.1"
+    istanbul-api "^1.3.1"
+    istanbul-lib-coverage "^1.2.0"
+    istanbul-lib-instrument "^1.10.1"
+    istanbul-lib-source-maps "^1.2.4"
+    jest-changed-files "^23.0.1"
+    jest-config "^23.0.1"
+    jest-environment-jsdom "^23.0.1"
     jest-get-type "^22.1.0"
-    jest-haste-map "^22.4.2"
-    jest-message-util "^22.4.0"
-    jest-regex-util "^22.1.0"
-    jest-resolve-dependencies "^22.1.0"
-    jest-runner "^22.4.2"
-    jest-runtime "^22.4.2"
-    jest-snapshot "^22.4.0"
-    jest-util "^22.4.1"
-    jest-validate "^22.4.2"
-    jest-worker "^22.2.2"
+    jest-haste-map "^23.0.1"
+    jest-message-util "^23.0.0"
+    jest-regex-util "^23.0.0"
+    jest-resolve-dependencies "^23.0.1"
+    jest-runner "^23.0.1"
+    jest-runtime "^23.0.1"
+    jest-snapshot "^23.0.1"
+    jest-util "^23.0.1"
+    jest-validate "^23.0.1"
+    jest-worker "^23.0.1"
     micromatch "^2.3.11"
     node-notifier "^5.2.1"
     realpath-native "^1.0.0"
@@ -1969,7 +1990,7 @@ jest-cli@^22.4.2:
     string-length "^2.0.0"
     strip-ansi "^4.0.0"
     which "^1.2.12"
-    yargs "^10.0.3"
+    yargs "^11.0.0"
 
 jest-config@^22.4.2:
   version "22.4.2"
@@ -1987,6 +2008,24 @@ jest-config@^22.4.2:
     jest-validate "^22.4.2"
     pretty-format "^22.4.0"
 
+jest-config@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-23.0.1.tgz#6798bff1247c7a390b1327193305001582fc58fa"
+  dependencies:
+    babel-core "^6.0.0"
+    babel-jest "^23.0.1"
+    chalk "^2.0.1"
+    glob "^7.1.1"
+    jest-environment-jsdom "^23.0.1"
+    jest-environment-node "^23.0.1"
+    jest-get-type "^22.1.0"
+    jest-jasmine2 "^23.0.1"
+    jest-regex-util "^23.0.0"
+    jest-resolve "^23.0.1"
+    jest-util "^23.0.1"
+    jest-validate "^23.0.1"
+    pretty-format "^23.0.1"
+
 jest-diff@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.0.tgz#384c2b78519ca44ca126382df53f134289232525"
@@ -1996,12 +2035,28 @@ jest-diff@^22.4.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.4.0"
 
-jest-docblock@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.4.0.tgz#dbf1877e2550070cfc4d9b07a55775a0483159b8"
+jest-diff@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-23.0.1.tgz#3d49137cee12c320a4b4d2b4a6fa6e82d491a16a"
+  dependencies:
+    chalk "^2.0.1"
+    diff "^3.2.0"
+    jest-get-type "^22.1.0"
+    pretty-format "^23.0.1"
+
+jest-docblock@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-23.0.1.tgz#deddd18333be5dc2415260a04ef3fce9276b5725"
   dependencies:
     detect-newline "^2.1.0"
 
+jest-each@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-each/-/jest-each-23.0.1.tgz#a6e5dbf530afc6bf9d74792dde69d8db70f84706"
+  dependencies:
+    chalk "^2.0.1"
+    pretty-format "^23.0.1"
+
 jest-environment-jsdom@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.4.1.tgz#754f408872441740100d3917e5ec40c74de6447f"
@@ -2010,6 +2065,14 @@ jest-environment-jsdom@^22.4.1:
     jest-util "^22.4.1"
     jsdom "^11.5.1"
 
+jest-environment-jsdom@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-23.0.1.tgz#da689eb9358dc16e5708abb208f4eb26a439575c"
+  dependencies:
+    jest-mock "^23.0.1"
+    jest-util "^23.0.1"
+    jsdom "^11.5.1"
+
 jest-environment-node@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.1.tgz#418850eb654596b8d6e36c2021cbedbc23df8e16"
@@ -2017,19 +2080,26 @@ jest-environment-node@^22.4.1:
     jest-mock "^22.2.0"
     jest-util "^22.4.1"
 
+jest-environment-node@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-23.0.1.tgz#676b740e205f1f2be77241969e7812be824ee795"
+  dependencies:
+    jest-mock "^23.0.1"
+    jest-util "^23.0.1"
+
 jest-get-type@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.1.0.tgz#4e90af298ed6181edc85d2da500dbd2753e0d5a9"
 
-jest-haste-map@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.2.tgz#a90178e66146d4378bb076345a949071f3b015b4"
+jest-haste-map@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-23.0.1.tgz#cd89052abfc8cba01f560bbec09d4f36aec25d4f"
   dependencies:
     fb-watchman "^2.0.0"
     graceful-fs "^4.1.11"
-    jest-docblock "^22.4.0"
-    jest-serializer "^22.4.0"
-    jest-worker "^22.2.2"
+    jest-docblock "^23.0.1"
+    jest-serializer "^23.0.1"
+    jest-worker "^23.0.1"
     micromatch "^2.3.11"
     sane "^2.0.0"
 
@@ -2049,11 +2119,27 @@ jest-jasmine2@^22.4.2:
     jest-util "^22.4.1"
     source-map-support "^0.5.0"
 
-jest-leak-detector@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.4.0.tgz#64da77f05b001c96d2062226e079f89989c4aa2f"
+jest-jasmine2@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-23.0.1.tgz#16d875356e6360872bba48426f7d31fdc1b0bcea"
   dependencies:
-    pretty-format "^22.4.0"
+    chalk "^2.0.1"
+    co "^4.6.0"
+    expect "^23.0.1"
+    is-generator-fn "^1.0.0"
+    jest-diff "^23.0.1"
+    jest-each "^23.0.1"
+    jest-matcher-utils "^23.0.1"
+    jest-message-util "^23.0.0"
+    jest-snapshot "^23.0.1"
+    jest-util "^23.0.1"
+    pretty-format "^23.0.1"
+
+jest-leak-detector@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-23.0.1.tgz#9dba07505ac3495c39d3ec09ac1e564599e861a0"
+  dependencies:
+    pretty-format "^23.0.1"
 
 jest-matcher-utils@^22.4.0:
   version "22.4.0"
@@ -2063,6 +2149,14 @@ jest-matcher-utils@^22.4.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.4.0"
 
+jest-matcher-utils@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-23.0.1.tgz#0c6c0daedf9833c2a7f36236069efecb4c3f6e5f"
+  dependencies:
+    chalk "^2.0.1"
+    jest-get-type "^22.1.0"
+    pretty-format "^23.0.1"
+
 jest-message-util@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.4.0.tgz#e3d861df16d2fee60cb2bc8feac2188a42579642"
@@ -2073,19 +2167,38 @@ jest-message-util@^22.4.0:
     slash "^1.0.0"
     stack-utils "^1.0.1"
 
+jest-message-util@^23.0.0:
+  version "23.0.0"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-23.0.0.tgz#073f3d76c701f7c718a4b9af1eb7f138792c4796"
+  dependencies:
+    "@babel/code-frame" "^7.0.0-beta.35"
+    chalk "^2.0.1"
+    micromatch "^2.3.11"
+    slash "^1.0.0"
+    stack-utils "^1.0.1"
+
 jest-mock@^22.2.0:
   version "22.2.0"
   resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.2.0.tgz#444b3f9488a7473adae09bc8a77294afded397a7"
 
+jest-mock@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-23.0.1.tgz#1569f477968c668fc728273a17c3767773b46357"
+
 jest-regex-util@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.1.0.tgz#5daf2fe270074b6da63e5d85f1c9acc866768f53"
 
-jest-resolve-dependencies@^22.1.0:
-  version "22.1.0"
-  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-22.1.0.tgz#340e4139fb13315cd43abc054e6c06136be51e31"
+jest-regex-util@^23.0.0:
+  version "23.0.0"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-23.0.0.tgz#dd5c1fde0c46f4371314cf10f7a751a23f4e8f76"
+
+jest-resolve-dependencies@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-23.0.1.tgz#d01a10ddad9152c4cecdf5eac2b88571c4b6a64d"
   dependencies:
-    jest-regex-util "^22.1.0"
+    jest-regex-util "^23.0.0"
+    jest-snapshot "^23.0.1"
 
 jest-resolve@^22.4.2:
   version "22.4.2"
@@ -2094,50 +2207,61 @@ jest-resolve@^22.4.2:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
 
-jest-runner@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.2.tgz#19390ea9d99f768973e16f95a1efa351c0017e87"
+jest-resolve@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-23.0.1.tgz#3f8403462b10a34c2df1d47aab5574c4935bcd24"
+  dependencies:
+    browser-resolve "^1.11.2"
+    chalk "^2.0.1"
+    realpath-native "^1.0.0"
+
+jest-runner@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-23.0.1.tgz#b176ae3ecf9e194aa4b84a7fcf70d1b8db231aa7"
   dependencies:
     exit "^0.1.2"
-    jest-config "^22.4.2"
-    jest-docblock "^22.4.0"
-    jest-haste-map "^22.4.2"
-    jest-jasmine2 "^22.4.2"
-    jest-leak-detector "^22.4.0"
-    jest-message-util "^22.4.0"
-    jest-runtime "^22.4.2"
-    jest-util "^22.4.1"
-    jest-worker "^22.2.2"
+    graceful-fs "^4.1.11"
+    jest-config "^23.0.1"
+    jest-docblock "^23.0.1"
+    jest-haste-map "^23.0.1"
+    jest-jasmine2 "^23.0.1"
+    jest-leak-detector "^23.0.1"
+    jest-message-util "^23.0.0"
+    jest-runtime "^23.0.1"
+    jest-util "^23.0.1"
+    jest-worker "^23.0.1"
+    source-map-support "^0.5.6"
     throat "^4.0.0"
 
-jest-runtime@^22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.2.tgz#0de0444f65ce15ee4f2e0055133fc7c17b9168f3"
+jest-runtime@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-23.0.1.tgz#b1d765fb03fb6d4043805af270676a693f504d57"
   dependencies:
     babel-core "^6.0.0"
-    babel-jest "^22.4.1"
-    babel-plugin-istanbul "^4.1.5"
+    babel-plugin-istanbul "^4.1.6"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     exit "^0.1.2"
+    fast-json-stable-stringify "^2.0.0"
     graceful-fs "^4.1.11"
-    jest-config "^22.4.2"
-    jest-haste-map "^22.4.2"
-    jest-regex-util "^22.1.0"
-    jest-resolve "^22.4.2"
-    jest-util "^22.4.1"
-    jest-validate "^22.4.2"
-    json-stable-stringify "^1.0.1"
+    jest-config "^23.0.1"
+    jest-haste-map "^23.0.1"
+    jest-message-util "^23.0.0"
+    jest-regex-util "^23.0.0"
+    jest-resolve "^23.0.1"
+    jest-snapshot "^23.0.1"
+    jest-util "^23.0.1"
+    jest-validate "^23.0.1"
     micromatch "^2.3.11"
     realpath-native "^1.0.0"
     slash "^1.0.0"
     strip-bom "3.0.0"
     write-file-atomic "^2.1.0"
-    yargs "^10.0.3"
+    yargs "^11.0.0"
 
-jest-serializer@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-22.4.0.tgz#b5d145b98c4b0d2c20ab686609adbb81fe23b566"
+jest-serializer@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-23.0.1.tgz#a3776aeb311e90fe83fab9e533e85102bd164165"
 
 jest-snapshot@^22.4.0:
   version "22.4.0"
@@ -2150,6 +2274,17 @@ jest-snapshot@^22.4.0:
     natural-compare "^1.4.0"
     pretty-format "^22.4.0"
 
+jest-snapshot@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-23.0.1.tgz#6674fa19b9eb69a99cabecd415bddc42d6af3e7e"
+  dependencies:
+    chalk "^2.0.1"
+    jest-diff "^23.0.1"
+    jest-matcher-utils "^23.0.1"
+    mkdirp "^0.5.1"
+    natural-compare "^1.4.0"
+    pretty-format "^23.0.1"
+
 jest-util@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.1.tgz#dd17c3bdb067f8e90591563ec0c42bf847dc249f"
@@ -2162,6 +2297,18 @@ jest-util@^22.4.1:
     mkdirp "^0.5.1"
     source-map "^0.6.0"
 
+jest-util@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-23.0.1.tgz#68ea5bd7edb177d3059f9797259f8e0dacce2f99"
+  dependencies:
+    callsites "^2.0.0"
+    chalk "^2.0.1"
+    graceful-fs "^4.1.11"
+    is-ci "^1.0.10"
+    jest-message-util "^23.0.0"
+    mkdirp "^0.5.1"
+    source-map "^0.6.0"
+
 jest-validate@^22.4.0, jest-validate@^22.4.2:
   version "22.4.2"
   resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.2.tgz#e789a4e056173bf97fe797a2df2d52105c57d4f4"
@@ -2172,18 +2319,27 @@ jest-validate@^22.4.0, jest-validate@^22.4.2:
     leven "^2.1.0"
     pretty-format "^22.4.0"
 
-jest-worker@^22.2.2:
-  version "22.2.2"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.2.2.tgz#c1f5dc39976884b81f68ec50cb8532b2cbab3390"
+jest-validate@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-23.0.1.tgz#cd9f01a89d26bb885f12a8667715e9c865a5754f"
+  dependencies:
+    chalk "^2.0.1"
+    jest-get-type "^22.1.0"
+    leven "^2.1.0"
+    pretty-format "^23.0.1"
+
+jest-worker@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-23.0.1.tgz#9e649dd963ff4046026f91c4017f039a6aa4a7bc"
   dependencies:
     merge-stream "^1.0.1"
 
-jest@^22.3.0:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.2.tgz#34012834a49bf1bdd3bc783850ab44e4499afc20"
+jest@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-23.0.1.tgz#0d083290ee4112cecfb780df6ff81332ed373201"
   dependencies:
     import-local "^1.0.0"
-    jest-cli "^22.4.2"
+    jest-cli "^23.0.1"
 
 jodid25519@^1.0.0:
   version "1.0.2"
@@ -3046,6 +3202,13 @@ pretty-format@^22.4.0:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
+pretty-format@^23.0.1:
+  version "23.0.1"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-23.0.1.tgz#d61d065268e4c759083bccbca27a01ad7c7601f4"
+  dependencies:
+    ansi-regex "^3.0.0"
+    ansi-styles "^3.2.0"
+
 private@^0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.6.tgz#55c6a976d0f9bafb9924851350fe47b9b5fbb7c1"
@@ -3518,6 +3681,13 @@ source-map-support@^0.5.0:
   dependencies:
     source-map "^0.6.0"
 
+source-map-support@^0.5.6:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.6.tgz#4435cee46b1aab62b8e8610ce60f788091c51c13"
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@@ -3633,7 +3803,7 @@ string-width@^1.0.1, string-width@^1.0.2:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-string-width@^2.0.0:
+string-width@^2.0.0, string-width@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   dependencies:
@@ -3773,12 +3943,12 @@ tar@^2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
-test-exclude@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.1.1.tgz#4d84964b0966b0087ecc334a2ce002d3d9341e26"
+test-exclude@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.1.tgz#dfa222f03480bca69207ca728b37d74b45f724fa"
   dependencies:
     arrify "^1.0.1"
-    micromatch "^2.3.11"
+    micromatch "^3.1.8"
     object-assign "^4.1.0"
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
@@ -4069,17 +4239,17 @@ yallist@^2.0.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
-yargs-parser@^8.0.0:
-  version "8.0.0"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-8.0.0.tgz#21d476330e5a82279a4b881345bf066102e219c6"
+yargs-parser@^9.0.2:
+  version "9.0.2"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-9.0.2.tgz#9ccf6a43460fe4ed40a9bb68f48d43b8a68cc077"
   dependencies:
     camelcase "^4.1.0"
 
-yargs@^10.0.3:
-  version "10.0.3"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.0.3.tgz#6542debd9080ad517ec5048fb454efe9e4d4aaae"
+yargs@^11.0.0:
+  version "11.0.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-11.0.0.tgz#c052931006c5eee74610e5fc0354bedfd08a201b"
   dependencies:
-    cliui "^3.2.0"
+    cliui "^4.0.0"
     decamelize "^1.1.1"
     find-up "^2.1.0"
     get-caller-file "^1.0.1"
@@ -4090,7 +4260,7 @@ yargs@^10.0.3:
     string-width "^2.0.0"
     which-module "^2.0.0"
     y18n "^3.2.1"
-    yargs-parser "^8.0.0"
+    yargs-parser "^9.0.2"
 
 yargs@~3.10.0:
   version "3.10.0"