try using phpdbg

ek9 · ek9 · commit 8613d6f7ebf7 · 2017-04-08T18:16:37.000+02:00
diff --git a/.appveyor.yml b/.appveyor.yml
@@ -51,5 +51,5 @@ install:
 
 test_script:
   - cd c:\projects\behat-code-coverage
-  - php vendor\phpunit\phpunit\phpunit -vvv
+  - phpdbg -qrr vendor\phpunit\phpunit\phpunit -vvv
 
