diff --git a/src/index.spec.js b/src/index.spec.js
new file mode 100644
index 0000000..3f4ad63
--- /dev/null
+++ b/src/index.spec.js
@@ -0,0 +1,20 @@
+Error.stackTraceLimit = Infinity;
+
+require('core-js/client/shim');
+
+require('@angular/common');
+require('rxjs');
+
+require('zone.js/dist/zone');
+require('zone.js/dist/long-stack-trace-zone');
+require('zone.js/dist/proxy');
+require('zone.js/dist/sync-test');
+require('zone.js/dist/jasmine-patch');
+require('zone.js/dist/async-test');
+require('zone.js/dist/fake-async-test');
+const context = require.context('./app', true, /\.(js|ts|tsx)$/);
+context.keys().forEach(context);
+const testing = require('@angular/core/testing');
+const testingBrowser = require('@angular/platform-browser-dynamic/testing');
+
+testing.TestBed.initTestEnvironment(testingBrowser.BrowserDynamicTestingModule, testingBrowser.platformBrowserDynamicTesting());