use xmp file to configure phpunit coverage

Author: ulfgebhardt

tests/phpunit/phpunit.xml

@@ -3,6 +3,11 @@
   <php>
       <const name="CYPHT_PHPUNIT_TEST_MODE" value="phpunit"/>
   </php>
+  <coverage>
+    <report>
+      <clover outputFile="clover.xml"/>
+    </report>
+  </coverage>
   <testsuites>
     <testsuite name="session">
       <file>./session.php</file>

tests/phpunit/run.sh

@@ -42,5 +42,5 @@ else
     exit 1
 fi
 
-phpunit --bootstrap vendor/autoload.php --configuration ${SCRIPT_DIR}/phpunit.xml --coverage-clover clover.xml --testdox $@
+phpunit --bootstrap vendor/autoload.php --configuration ${SCRIPT_DIR}/phpunit.xml --testdox $@
 coverage-check clover.xml 100