[AAE-11496] Publish aca-viewer and aca-preview (#2945)

* [AAE-11496] Publish aca-viewer and aca-preview

* fix tests

projects/aca-viewer/src/test.ts

@@ -0,0 +1,25 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js';
+import 'zone.js/testing';
+import { getTestBed } from '@angular/core/testing';
+import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing';
+
+declare const require: {
+  context(
+    path: string,
+    deep?: boolean,
+    filter?: RegExp
+  ): {
+    <T>(id: string): T;
+    keys(): string[];
+  };
+};
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(BrowserDynamicTestingModule, platformBrowserDynamicTesting());
+
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().forEach(context);