[SI-1198 - SI-2392] unit tests modified

Signed-off-by: Peter Buschmann <peter.buschmann@pta.de>
diff --git a/projects/grid-failure-information-map-app/src/app/app-config.service.spec.ts b/projects/grid-failure-information-map-app/src/app/app-config.service.spec.ts
index de478d0..defb76b 100644
--- a/projects/grid-failure-information-map-app/src/app/app-config.service.spec.ts
+++ b/projects/grid-failure-information-map-app/src/app/app-config.service.spec.ts
@@ -15,26 +15,13 @@
 describe('AppConfigService', () => {
   let service: AppConfigService;
   let mockHttpClient;
-  let baseHref: string;
 
   beforeEach(() => {
     mockHttpClient = { get: () => {} };
-    service = new AppConfigService(mockHttpClient, baseHref);
+    service = new AppConfigService(mockHttpClient);
   });
 
   it('should be created', () => {
     expect(service).toBeTruthy();
   });
-
-  it('should define baseHref if undefined', () => {
-    service['baseHref'] = undefined;
-    service.getConfig();
-    expect(service['baseHref']).toBe('');
-  });
-
-  it('should not redefine baseHref if it is already defined', () => {
-    service['baseHref'] = 'x';
-    service.getConfig();
-    expect(service['baseHref']).not.toBe('');
-  });
 });