fix: remove compilation warning due to Karma related src/test.ts

refs #579

src/test.ts

-// This file is required by karma.conf.js and loads recursively all the .spec and framework files
-
-import "zone.js/dist/long-stack-trace-zone";
-import "zone.js/dist/proxy.js";
-import "zone.js/dist/sync-test";
-import "zone.js/dist/jasmine-patch";
-import "zone.js/dist/async-test";
-import "zone.js/dist/fake-async-test";
-import { getTestBed } from "@angular/core/testing";
-import {
-  BrowserDynamicTestingModule,
-  platformBrowserDynamicTesting
-} from "@angular/platform-browser-dynamic/testing";
-
-// Unfortunately there's no typing for the `__karma__` variable. Just declare it as any.
-declare const __karma__: any;
-declare const require: any;
-
-// Prevent Karma from running prematurely.
-__karma__.loaded = function () {};
-
-// First, initialize the Angular testing environment.
-getTestBed().initTestEnvironment(
-  BrowserDynamicTestingModule,
-  platformBrowserDynamicTesting(), {
-    teardown: { destroyAfterEach: false }
-}
-);
-// Then we find all the tests.
-const context = require.context("./", true, /\.spec\.ts$/);
-// And load the modules.
-context.keys().map(context);
-// Finally, start Karma to run the tests.
-__karma__.start();

src/tsconfig.spec.json

@@ -9,7 +9,6 @@
     ]
   },
   "files": [
-    "test.ts",
     "polyfills.ts"
   ],
   "include": [