Issue #2105583 by dawehner: Fixed phpunit strict mode basically kills...

Issue #2105583 by dawehner: Fixed phpunit strict mode basically kills debugging as you just have 1 second.

core/phpunit.xml.dist

 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit bootstrap="tests/bootstrap.php" colors="true" strict="true">
+<phpunit bootstrap="tests/bootstrap.php" colors="true">
   <testsuites>
     <testsuite name="Drupal Unit Test Suite">
       <directory>./tests/*</directory>