Use "Dots" output

Author: thekid

.github/workflows/ci.yml

@@ -54,4 +54,4 @@ jobs:
         echo "vendor/xp-framework/compiler/src/test/php" >> composer.pth
 
     - 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