Update int.cloudbuild.yaml

Author: apeabody

build/int.cloudbuild.yaml

@@ -43,8 +43,8 @@ steps:
         fi
       done
 
-      for d in */; do
-          if ! grep -q "^$d" _changed_folders && [[ "$d" != "test/" ]]; then
+      for d in `find . -type d -name 'test' -prune -o -links 2 -printf '%P\n'`; do
+          if ! grep -q "^$d" _changed_folders; then
             rm -rf $d;
           fi
       done