Bump wyrihaximus/test-utilities from 5.1.4 to 5.1.5

Bumps [wyrihaximus/test-utilities](https://github.com/WyriHaximus/php-test-utilities) from 5.1.4 to 5.1.5.
- [Release notes](https://github.com/WyriHaximus/php-test-utilities/releases)
- [Commits](WyriHaximus/php-test-utilities@5.1.4...5.1.5)

---
updated-dependencies:
- dependency-name: wyrihaximus/test-utilities
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -14,7 +14,7 @@
     "phpunit/phpunit": "^9.5.21",
     "react/event-loop": "^1.3.0",
     "react/promise": "^2.9.",
-    "wyrihaximus/test-utilities": "^5.1.4"
+    "wyrihaximus/test-utilities": "^5.1.5"
   },
   "require-dev": {
     "wyrihaximus/iterator-or-array-to-array": "^1.2"