Add unreferenced file integration tests (#1399)

* add unreferenced file support to mock

* add integration tests for unreferenced files

* address lint issues

* add referenced to unreferenced test case

* add manifest check to update and delete tests

* refactor test cases

* fix failing test case

* rename manifest helper function

* add file existence check to each test case

* revert Makefile change

Author: spencerugbo

Makefile

@@ -167,7 +167,7 @@ integration-test: $(SELECTED_PACKAGE) build-mock-management-plane-grpc
 	TEST_ENV="Container" CONTAINER_OS_TYPE=$(CONTAINER_OS_TYPE) BUILD_TARGET="install-agent-local" CONTAINER_NGINX_IMAGE_REGISTRY=${CONTAINER_NGINX_IMAGE_REGISTRY} \
 	PACKAGES_REPO=$(OSS_PACKAGES_REPO) PACKAGE_NAME=$(PACKAGE_NAME) BASE_IMAGE=$(BASE_IMAGE) DOCKERFILE_PATH=$(DOCKERFILE_PATH) IMAGE_PATH=$(IMAGE_PATH) TAG=${IMAGE_TAG} \
 	OS_VERSION=$(OS_VERSION) OS_RELEASE=$(OS_RELEASE) \
-	go test -v ./test/integration/installuninstall ./test/integration/managementplane ./test/integration/auxiliarycommandserver ./test/integration/nginxless 
+	go test -v ./test/integration/installuninstall ./test/integration/managementplane ./test/integration/auxiliarycommandserver ./test/integration/nginxless
 
 upgrade-test: $(SELECTED_PACKAGE) build-mock-management-plane-grpc
 	TEST_ENV="Container" CONTAINER_OS_TYPE=$(CONTAINER_OS_TYPE) BUILD_TARGET="install-agent-repo" CONTAINER_NGINX_IMAGE_REGISTRY=${CONTAINER_NGINX_IMAGE_REGISTRY} \

test/integration/managementplane/config_apply_test.go

@@ -366,4 +366,5 @@ func (s *ConfigApplyChunkingTestSuite) TestConfigApplyChunking() {
 func TestConfigApplyTestSuite(t *testing.T) {
 	suite.Run(t, new(ConfigApplyTestSuite))
 	suite.Run(t, new(ConfigApplyChunkingTestSuite))
+	suite.Run(t, new(ConfigApplyUnreferencedFilesTestSuite))
 }