Add debug log

Author: srujzs

test_common/lib/utilities.dart

@@ -17,6 +17,9 @@ const newDdcTypeSystemVersion = '3.3.0-242.0.dev';
 String get webdevPath {
   final pathParts = p.split(p.current);
   // We expect all tests to be run from the webdev mono-repo:
+  // TODO(srujzs): This is just to debug the failures on https://github.com/dart-lang/webdev/pull/2627.
+  // Delete when done debugging.
+  print(pathParts);
   assert(pathParts.contains(webdevDirName));
   return p.joinAll(
     pathParts.sublist(0, pathParts.lastIndexOf(webdevDirName) + 1),