Initial import of Angular5 components services and modules

Change-Id: I3953f1fbf7d5697a1c6d432808dd17d816ec285a
diff --git a/web/gui2/src/main/webapp/tests/app/log.service.spec.ts b/web/gui2/src/main/webapp/tests/app/log.service.spec.ts
new file mode 100644
index 0000000..5307028
--- /dev/null
+++ b/web/gui2/src/main/webapp/tests/app/log.service.spec.ts
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.
+ */
+import { TestBed, inject } from '@angular/core/testing';
+
+import { LogService } from '../../app/log.service';
+
+/**
+ * ONOS GUI -- Log Service - Unit Tests
+ */
+describe('LogService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [LogService]
+    });
+  });
+
+  it('should be created', inject([LogService], (service: LogService) => {
+    expect(service).toBeTruthy();
+  }));
+});