Use "Dots" test output

Author: thekid

.github/workflows/ci.yml

@@ -52,4 +52,4 @@ jobs:
         sh .github/workflows/composer.sh
 
     - name: Run test suite
-      run: sh xp-run xp.test.Runner src/test/php
+      run: sh xp-run xp.test.Runner -r Dots src/test/php