Fix tests so they run on all testbench versions.

.travis.yml

@@ -2,16 +2,18 @@ language: php
 
 matrix:
   include:
-    - php: "7.0"
-      env: LARAVEL_VERSION="5.5.*"
     - php: "7.1"
       env: LARAVEL_VERSION="5.5.*"
     - php: "7.2"
       env: LARAVEL_VERSION="5.5.*"
     - php: "7.2"
       env: LARAVEL_VERSION="5.6.*"
     - php: "7.2"
-      env: LARAVEL_VERSION="5.7.*" RUN_CS_FIXER=1
+      env: LARAVEL_VERSION="5.7.*"
+    - php: "7.2"
+      env: LARAVEL_VERSION="5.8.*"
+    - php: "7.3"
+      env: LARAVEL_VERSION="5.8.*" RUN_CS_FIXER=1
 
 sudo: false
 

tests/CommandTestCase.php

@@ -4,7 +4,7 @@
 
 class CommandTestCase extends TestCase
 {
-    public function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         config(['laravel_api.path.templates' => 'resources/templates/']);

tests/Unit/ControllerTest.php

@@ -22,7 +22,7 @@ class ControllerTest extends TestCase
     /** @var TestModel */
     protected $testModel;
 
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();
         $this->setUpDatabase($this->app);

tests/Unit/EmptyPaginatorTest.php

@@ -9,7 +9,7 @@ class EmptyPaginatorTest extends TestCase
     /** @var EmptyPaginator */
     private $emptyPaginator;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->emptyPaginator = new EmptyPaginator();
     }

tests/Unit/HandleResponsesTest.php

@@ -17,7 +17,7 @@ class HandleResponsesTest extends TestCase
     /** @var HandleResponses $mock */
     private $mock;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->mock = $this->getMockForTrait(HandleResponses::class);
         parent::setUp(); // TODO: Change the autogenerated stub

tests/Unit/InspectContentTypeTest.php

@@ -20,7 +20,7 @@ class InspectContentTypeTest extends TestCase
     /** @var InspectContentType */
     protected $middleware;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp(); // TODO: Change the autogenerated stub
         $this->request = Request::create('http://example.com/admin', 'GET');

tests/Unit/RepositoryTest.php

@@ -23,7 +23,7 @@ class RepositoryTest extends TestCase
      * Bootstrap the database
      * Setup a base repository which most test cases use.
      */
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         $this->setUpDatabase($this->app);

tests/Unit/ResponseServiceTest.php

@@ -22,7 +22,7 @@ class ResponseServiceTest extends TestCase
      */
     private $responseService;
 
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();
         $this->responseService = new ResponseService();