Add e2e tests for LayerVersion resource update operation (#68)

Description of changes:
Add e2e tests for `LayerVersion` resource update operation

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Author: Vandita2020

apis/v1alpha1/ack-generate-metadata.yaml

@@ -1,8 +1,8 @@
 ack_generate_info:
-  build_date: "2022-12-08T19:01:42Z"
+  build_date: "2022-12-13T23:07:54Z"
   build_hash: 12246c7da82841b351ec7a9e1f139f9338f2784b
-  go_version: go1.17.5
-  version: v0.21.0
+  go_version: go1.19
+  version: v0.20.1-14-g12246c7
 api_directory_checksum: 90c9337a64415662f698cf6cd270706cd560bd16
 api_version: v1alpha1
 aws_sdk_go_version: v1.44.93

test/e2e/tests/test_layer_version.py

@@ -79,6 +79,26 @@ def test_smoke(self, lambda_client):
         # Check layer version exists
         assert lambda_validator.layer_version_exists(resource_name, version_number)
 
+        # Update cr
+        new_description = "new description"
+        updates = {
+            "spec": {
+                "description": new_description
+            },
+        }
+
+        #Patch k8s resource
+        k8s.patch_custom_resource(ref, updates)
+        time.sleep(UPDATE_WAIT_AFTER_SECONDS)
+
+        cr = k8s.wait_resource_consumed_by_controller(ref)
+        version_number = cr['status']['versionNumber']
+
+        #Check layer version description
+        layer_version = lambda_validator.get_layer_version(resource_name, version_number)
+        assert layer_version is not None
+        assert layer_version['Description'] == 'new description'
+
         # Delete k8s resource
         _, deleted = k8s.delete_custom_resource(ref)
         assert deleted is True