update to 13

src/test.ts

@@ -12,7 +12,9 @@ declare const require: any;
 // First, initialize the Angular testing environment.
 getTestBed().initTestEnvironment(
     BrowserDynamicTestingModule,
-    platformBrowserDynamicTesting()
+    platformBrowserDynamicTesting(), {
+    teardown: { destroyAfterEach: false }
+}
 );
 // Then we find all the tests.
 const context = require.context('./', true, /\.spec\.ts$/);