Aw5739 Update to Angular v15.

projects/ngx-openlayers/src/test.ts

@@ -5,13 +5,7 @@ import 'zone.js/testing';
 import { getTestBed } from '@angular/core/testing';
 import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing';
 
-declare const require: any;
-
 // First, initialize the Angular testing environment.
 getTestBed().initTestEnvironment(BrowserDynamicTestingModule, platformBrowserDynamicTesting(), {
   teardown: { destroyAfterEach: true },
 });
-// Then we find all the tests.
-const context = require.context('./', true, /\.spec\.ts$/);
-// And load the modules.
-context.keys().map(context);