feat(tests): add base tests

scripts/install/bash.sh

@@ -1,2 +1,4 @@
 #!/bin/sh
 apk add bash
+bash --version
+echo "Bash installed successfully."

tests/_.bats

@@ -0,0 +1,17 @@
+#!./tests/bats/bin/bats
+
+setup() {
+    load 'libraries/bats-support/load'
+    load 'libraries/bats-assert/load'
+    source ./tests/mocks.sh
+}
+
+@test "Run Script" {
+    run ./scripts/bats.sh
+}
+
+@test "Install Bash" {
+    run ./scripts/install/bash.sh
+    assert_output --partial "$INSTALL_BASH"
+    refute_output --partial "ERROR"
+}

tests/mocks.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+readonly INSTALL_BASH="Bash installed successfully."
+readonly INSTALL_DOCKER_CLI="Docker CLI installed successfully."
+readonly ADD_GIT_SUBMODULE_SKIPPED="Git submodule update skipped."
+readonly ADD_GIT_SUBMODULE_EXECUTED="Git submodule update executed."