minor #2727 PHPUnit - use speedtrap (keradus)

This PR was merged into the 2.2 branch.

Discussion
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PHPUnit - use speedtrap

Commits
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d77cb73 PHPUnit - use speedtrap

composer.json

@@ -32,6 +32,7 @@
     },
     "require-dev": {
         "gecko-packages/gecko-php-unit": "^2.0",
+        "johnkary/phpunit-speedtrap": "^1.0.1",
         "justinrainbow/json-schema": "^5.0",
         "phpunit/phpunit": "^4.5 || ^5.0",
         "satooshi/php-coveralls": "^1.0",

phpunit.xml.dist

@@ -28,6 +28,15 @@
     </filter>
 
     <listeners>
+        <listener class="JohnKary\PHPUnit\Listener\SpeedTrapListener">
+            <arguments>
+                <array>
+                    <element key="slowThreshold">
+                        <integer>100</integer>
+                    </element>
+                </array>
+            </arguments>
+        </listener>
         <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener"/>
     </listeners>