Regenerate testing client (googleapis#2801)

Author: yoshi-automation

clients/google-api-services-testing/v1.metadata.json

@@ -2,6 +2,6 @@
   "maven": {
     "groupId": "com.google.apis",
     "artifactId": "google-api-services-testing",
-    "version": "v1-rev20190905-1.30.3"
+    "version": "v1-rev20190915-1.30.3"
   }
 }

clients/google-api-services-testing/v1/1.28.0/pom.xml

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-testing</artifactId>
-  <version>v1-rev20190905-1.28.0</version>
-  <name>Cloud Testing API v1-rev20190905-1.28.0</name>
+  <version>v1-rev20190915-1.28.0</version>
+  <name>Cloud Testing API v1-rev20190915-1.28.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-testing/v1/1.28.0/resources/testing.v1.json

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-testing</artifactId>
-  <version>v1-rev20190905-1.29.2</version>
-  <name>Cloud Testing API v1-rev20190905-1.29.2</name>
+  <version>v1-rev20190915-1.29.2</version>
+  <name>Cloud Testing API v1-rev20190915-1.29.2</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-testing/v1/1.29.2/pom.xml

@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-testing</artifactId>
-      <version>v1-rev20190905-1.30.3</version>
+      <version>v1-rev20190915-1.30.3</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  compile 'com.google.apis:google-api-services-testing:v1-rev20190905-1.30.3'
+  compile 'com.google.apis:google-api-services-testing:v1-rev20190915-1.30.3'
 }
 ```
 

clients/google-api-services-testing/v1/1.29.2/resources/testing.v1.json

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-testing</artifactId>
-  <version>v1-rev20190905-1.30.3</version>
-  <name>Cloud Testing API v1-rev20190905-1.30.3</name>
+  <version>v1-rev20190915-1.30.3</version>
+  <name>Cloud Testing API v1-rev20190915-1.30.3</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>