chore: fixes the flaky tests (#486)

Fixes #483 #479 #480  🦕

Author: munkhuushmgl

video-intelligence/system-test/analyze-streaming-shot-change.test.js

@@ -23,7 +23,8 @@ const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 const cmd = 'node analyze-streaming-shot-change.js';
 const file = 'resources/googlework_short.mp4';
 
-describe('streaming shot change', () => {
+describe('streaming shot change', function () {
+  this.retries(3);
   it('should analyze shot changes in a streaming video', async () => {
     const output = execSync(`${cmd} ${file}`);
     assert.match(output, /The entire video is one shot./);

video-intelligence/system-test/analyze_face_detection.test.js

@@ -26,6 +26,6 @@ const file = 'resources/googlework_short.mp4';
 describe('analyzing faces in video', () => {
   it('should identify faces in a local file', async () => {
     const output = execSync(`${cmd} ${file}`);
-    assert.match(output, /Attribute/);
+    assert.match(output, /Face detected:/);
   });
 });

video-intelligence/system-test/analyze_face_detection_gcs.test.js

@@ -26,6 +26,6 @@ const gcsUri = 'gs://cloud-samples-data/video/googlework_short.mp4';
 describe('analyzing faces in video', () => {
   it('should identify faces in a file in Google Storage', async () => {
     const output = execSync(`${cmd} ${gcsUri}`);
-    assert.match(output, /Attribute/);
+    assert.match(output, /Face detected:/);
   });
 });