diff --git a/generated/google/apis/testing_v1.rb b/generated/google/apis/testing_v1.rb
index 9bcbac195..4a3a43e1d 100644
--- a/generated/google/apis/testing_v1.rb
+++ b/generated/google/apis/testing_v1.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://developers.google.com/cloud-test-lab/
     module TestingV1
       VERSION = 'V1'
-      REVISION = '20201019'
+      REVISION = '20201208'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/testing_v1/classes.rb b/generated/google/apis/testing_v1/classes.rb
index a0ea0eea1..fc1d084b7 100644
--- a/generated/google/apis/testing_v1/classes.rb
+++ b/generated/google/apis/testing_v1/classes.rb
@@ -1266,7 +1266,7 @@ module Google
         end
       end
       
-      # A description of an iOS device tests may be run on. Next tag: 13
+      # A description of an iOS device tests may be run on.
       class IosModel
         include Google::Apis::Core::Hashable
       
diff --git a/generated/google/apis/testing_v1/synth.metadata b/generated/google/apis/testing_v1/synth.metadata
index 8ba18e27d..c08b63c1f 100644
--- a/generated/google/apis/testing_v1/synth.metadata
+++ b/generated/google/apis/testing_v1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "cb0c5bf94e2b1c915107eec83041d4409c900155"
+        "sha": "45b72912d96f684c2e983639707e59d5eb184128"
       }
     }
   ]