Add fake GCE provider to make CI jobs happy

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

test/e2e/framework/provider_less.go

@@ -0,0 +1,27 @@
+//go:build providerless
+// +build providerless
+
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package framework
+
+func init() {
+	// fake "gce"
+	RegisterProvider("gce", func() (ProviderInterface, error) {
+		return NullProvider{}, nil
+	})
+}