[FEATURE] Add Composer scripts to run unit tests

This is the change to `composer.json` which was inadvertently omitted from #488.

Author: JakeQZ

composer.json

@@ -62,25 +62,38 @@
     },
     "scripts": {
         "ci": [
-            "@ci:static"
+            "@ci:static",
+            "@ci:dynamic"
+        ],
+        "ci:dynamic": [
+            "@ci:tests"
         ],
         "ci:php:fixer": "\"./.phive/php-cs-fixer\" --config=config/php-cs-fixer.php fix --dry-run -v --show-progress=dots --diff bin src tests",
         "ci:php:stan": "phpstan --no-progress --configuration=config/phpstan.neon",
         "ci:static": [
             "@ci:php:fixer",
             "@ci:php:stan"
         ],
+        "ci:tests": [
+            "@ci:tests:unit"
+        ],
+        "ci:tests:sof": "\"./vendor/bin/phpunit\" --stop-on-failure --do-not-cache-result",
+        "ci:tests:unit": "\"./vendor/bin/phpunit\" --do-not-cache-result",
         "fix:php": [
             "@fix:php:fixer"
         ],
         "fix:php:fixer": "\"./.phive/php-cs-fixer\" --config=config/php-cs-fixer.php fix bin src tests",
         "phpstan:baseline": "phpstan --configuration=config/phpstan.neon --generate-baseline=config/phpstan-baseline.neon"
     },
     "scripts-descriptions": {
-        "ci": "Runs all dynamic and static code checks (i.e. currently, only the static checks).",
+        "ci": "Runs all dynamic and static code checks.",
+        "ci:dynamic": "Runs all dynamic code checks (i.e., currently, the unit tests).",
         "ci:php:fixer": "Checks the code style with PHP CS Fixer.",
         "ci:php:stan": "Checks the types with PHPStan.",
         "ci:static": "Runs all static code analysis checks for the code.",
+        "ci:tests": "Runs all dynamic tests (i.e., currently, the unit tests).",
+        "ci:tests:sof": "Runs the unit tests and stops at the first failure.",
+        "ci:tests:unit": "Runs all unit tests.",
         "fix:php": "Autofixes all autofixable issues in the PHP code.",
         "fix:php:fixer": "Fixes autofixable issues found by PHP CS Fixer.",
         "phpstan:baseline": "Updates the PHPStan baseline file to match the code."