feat: fix api spec errors

src/auth.module.spec.ts

@@ -12,32 +12,36 @@ import { mockProvider } from './testing/mock';
 
 describe('AuthModule', () => {
   describe('APP_CONFIG', () => {
+    let authModule: AuthModule;
     beforeEach(async () => {
       await TestBed.configureTestingModule({
         imports: [AuthModule.forRoot({ config: { authority: 'something' } })],
         providers: [mockProvider(ConfigurationService)],
       }).compileComponents();
+      authModule = TestBed.getImportByType(AuthModule);
     });
 
     it('should create', () => {
       expect(AuthModule).toBeDefined();
-      expect(new AuthModule()).toBeDefined();
+      expect(authModule).toBeDefined();
     });
 
     it('should provide config', () => {
-      const config = TestBed.inject(PASSED_CONFIG);
+      const config = authModule.get(PASSED_CONFIG);
 
       expect(config).toEqual({ config: { authority: 'something' } });
     });
 
     it('should create StsConfigStaticLoader if config is passed', () => {
-      const configLoader = TestBed.inject(StsConfigLoader);
+      const configLoader = authModule.get(StsConfigLoader);
 
       expect(configLoader instanceof StsConfigStaticLoader).toBe(true);
     });
   });
 
   describe('StsConfigHttpLoader', () => {
+    let authModule: AuthModule;
+
     beforeEach(async () => {
       await TestBed.configureTestingModule({
         imports: [
@@ -50,10 +54,11 @@ describe('AuthModule', () => {
         ],
         providers: [mockProvider(ConfigurationService)],
       }).compileComponents();
+      authModule = TestBed.getImportByType(AuthModule);
     });
 
     it('should create StsConfigStaticLoader if config is passed', () => {
-      const configLoader = TestBed.inject(StsConfigLoader);
+      const configLoader = authModule.get(StsConfigLoader);
 
       expect(configLoader instanceof StsConfigHttpLoader).toBe(true);
     });