Update expectations

Author: sebastianbergmann

tests/end-to-end/cli/listing-tests-and-groups/list-tests-xml-exclude-group.phpt

@@ -40,3 +40,4 @@ PHPUnit %s by Sebastian Bergmann and contributors.
   </group>
  </groups>
 </testSuite>%A
+Wrote list of tests that would have been run to php://stdout

tests/end-to-end/cli/listing-tests-and-groups/list-tests-xml-include-filter.phpt

@@ -35,3 +35,4 @@ PHPUnit %s by Sebastian Bergmann and contributors.
   </group>
  </groups>
 </testSuite>%A
+Wrote list of tests that would have been run to php://stdout

tests/end-to-end/cli/listing-tests-and-groups/list-tests-xml.phpt

@@ -43,3 +43,4 @@ PHPUnit %s by Sebastian Bergmann and contributors.
   </group>
  </groups>
 </testSuite>%A
+Wrote list of tests that would have been run to php://stdout