Update configs to run karma tests locally on top of compiled code

Change-Id: I866a833e0aba6b9036b9d5e44df24e5a056a4f98

polygerrit-ui/karma.conf.js

diff --git a/polygerrit-ui/karma.conf.js b/polygerrit-ui/karma.conf.js
index 3c42869..8d302ef 100644
--- a/polygerrit-ui/karma.conf.js
+++ b/polygerrit-ui/karma.conf.js
@@ -44,8 +44,9 @@
 }
 
 module.exports = function(config) {
+  const localDirName = path.resolve(__dirname, '../.ts-out/polygerrit-ui/app');
   const rootDir = runUnderBazel ?
-      'polygerrit-ui/app/_pg_with_tests_out/' : 'polygerrit-ui/app/';
+      'polygerrit-ui/app/_pg_with_tests_out/' : localDirName + '/';
   const testFilesLocationPattern =
       `${rootDir}**/!(template_test_srcs)/`;
   // Use --test-files to specify pattern for a test files.