add rules_webtesting, fix tf serving repo url
diff --git a/buildkite/pipelines/bazelci.py b/buildkite/pipelines/bazelci.py
index dded14c..643412f 100644
--- a/buildkite/pipelines/bazelci.py
+++ b/buildkite/pipelines/bazelci.py
@@ -134,6 +134,10 @@
           "git_repository": "https://github.com/bazelbuild/rules_typescript.git",
           "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/pipelines/rules_typescript-postsubmit.json"
       },
+      "rules_webtesting": {
+          "git_repository": "https://github.com/bazelbuild/rules_webtesting.git",
+          "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/pipelines/rules_webtesting-postsubmit.json"
+      },
       "skydoc": {
           "git_repository": "https://github.com/bazelbuild/skydoc.git",
           "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/pipelines/skydoc-postsubmit.json"
@@ -147,7 +151,7 @@
           "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/pipelines/tensorflow-postsubmit.json"
       },
       "TensorFlow Serving": {
-          "git_repository": "https://github.com/tensorflow/tensorflow.git",
+          "git_repository": "https://github.com/tensorflow/serving.git",
           "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/pipelines/tensorflow-serving-postsubmit.json"
       }
   }
diff --git a/buildkite/pipelines/rules_webtesting-postsubmit.json b/buildkite/pipelines/rules_webtesting-postsubmit.json
new file mode 100644
index 0000000..6a514aa
--- /dev/null
+++ b/buildkite/pipelines/rules_webtesting-postsubmit.json
@@ -0,0 +1,13 @@
+{
+  "platforms": {
+    "ubuntu1404": {
+      "test_targets": ["-- //... -//go/launcher/webdriver:go_default_test_chrome55-win10"]
+    },
+    "ubuntu1604": {
+      "test_targets": ["-- //... -//go/launcher/webdriver:go_default_test_chrome55-win10"]
+    },
+    "macos": {
+      "test_targets": ["-- //... -//go/launcher/webdriver:go_default_test_chrome55-win10"]
+    },
+  }
+}