Fix `npm run test` script

Change-Id: Id8917176d1d9f4c0f7245504beefba2d15988a0f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/1883710
Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
diff --git a/scripts/npm_test.js b/scripts/npm_test.js
index fc49885..aa94386 100644
--- a/scripts/npm_test.js
+++ b/scripts/npm_test.js
@@ -28,10 +28,10 @@
 var PLATFORM = getPlatform();
 var PYTHON = process.platform === 'win32' ? 'python.bat' : 'python';
 
-var CHROMIUM_SRC_PATH = CUSTOM_CHROMIUM_PATH || path.resolve(__dirname, '..', '..', '..', '..', '..');
+var CHROMIUM_SRC_PATH = CUSTOM_CHROMIUM_PATH || path.resolve(__dirname, '..', '..', '..', '..');
 var RELEASE_PATH = path.resolve(CHROMIUM_SRC_PATH, 'out', TARGET);
 var BLINK_TEST_PATH = path.resolve(CHROMIUM_SRC_PATH, 'third_party', 'blink', 'tools', 'run_web_tests.py');
-var DEVTOOLS_PATH = path.resolve(CHROMIUM_SRC_PATH, 'third_party', 'blink', 'renderer', 'devtools');
+var DEVTOOLS_PATH = path.resolve(CHROMIUM_SRC_PATH, 'third_party', 'devtools-frontend', 'src');
 var CACHE_PATH = path.resolve(DEVTOOLS_PATH, '.test_cache');
 var SOURCE_PATH = path.resolve(DEVTOOLS_PATH, 'front_end');