OXDEV-338 Add phpunit config for possibility to generate coverage

tests/phpunit.xml

@@ -0,0 +1,30 @@
+<phpunit backupGlobals="true"
+         backupStaticAttributes="false"
+         bootstrap="bootstrap.php"
+         cacheTokens="true"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         forceCoversAnnotation="false"
+         mapTestClassNameToCoveredClassName="false"
+         printerClass="PHPUnit_TextUI_ResultPrinter"
+         processIsolation="false"
+         stopOnError="false"
+         stopOnFailure="false"
+         stopOnIncomplete="false"
+         stopOnSkipped="false"
+         testSuiteLoaderClass="PHPUnit_Runner_StandardTestSuiteLoader"
+         verbose="false">
+    <filter>
+        <whitelist addUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">../</directory>
+            <exclude>
+                <directory suffix=".php">../tests</directory>
+                <directory suffix=".php">../translations</directory>
+                <directory suffix=".php">../views</directory>
+                <file>../metadata.php</file>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>