Run the hello world nodejs client in our CI (#1147)

cloudbuild.yaml

@@ -90,6 +90,24 @@ steps:
     entrypoint: 'bash'
     args: ['./scripts/run_examples', '-s', 'base', '-a', 'cpp']
 
+    # TODO(#1145): Integrate examples with multiple clients into our
+    # run_examples script, instead of listing them individually.
+  - name: 'gcr.io/oak-ci/oak:latest'
+    id: run_example_hello_world_nodejs
+    waitFor: ['run_examples_cpp']
+    timeout: 15m
+    entrypoint: 'bash'
+    args:
+      [
+        './scripts/run_example',
+        '-s',
+        'base',
+        '-e',
+        'hello_world',
+        '-c',
+        'nodejs',
+      ]
+
   - name: 'gcr.io/oak-ci/oak:latest'
     id: build_experimental
     waitFor: ['run_tests']
@@ -100,7 +118,7 @@ steps:
   # Run clang-tidy after the examples finish running, since they share the same `output_base`.
   - name: 'gcr.io/oak-ci/oak:latest'
     id: run_clang_tidy
-    waitFor: ['run_examples_cpp']
+    waitFor: ['run_example_hello_world_nodejs']
     timeout: 30m
     entrypoint: 'bash'
     args: ['./scripts/run_clang_tidy']