Improved PHPUnit configuration

Author: kukulich

build.xml

@@ -70,9 +70,6 @@
 		>
 			<arg value="--configuration"/>
 			<arg value="tests/phpunit.xml"/>
-			<arg value="--cache-result"/>
-			<arg value="--order-by=defects"/>
-			<arg value="--stop-on-defect"/>
 			<arg path="tests"/>
 		</exec>
 	</target>

tests/phpunit.xml

@@ -8,6 +8,10 @@
 	beStrictAboutOutputDuringTests="true"
 	beStrictAboutTestsThatDoNotTestAnything="true"
 	beStrictAboutTodoAnnotatedTests="true"
+	cacheResult="true"
+	cacheResultFile="../.phpunit.result.cache"
+	stopOnDefect="true"
+	executionOrder="defects"
 >
 	<logging>
 		<log