[ADF-2569] fix reload app.config.json (#3124)

* fix reload app.config.json

* improve style mobile
fix test

* test karma setup update

* fix core providers test

* remove unused providers

* use mock api in service test

* skip test in the wrong place

* remove comma

* remove fdescribe

lib/core/form/services/ecm-model.service.spec.ts

@@ -28,7 +28,6 @@ describe('EcmModelService', () => {
 
     beforeEach(() => {
         TestBed.configureTestingModule({
-            imports: [],
             providers: [
                 EcmModelService
             ]

lib/core/form/services/form.service.spec.ts

@@ -57,7 +57,6 @@ describe('Form service', () => {
 
     beforeEach(async(() => {
         TestBed.configureTestingModule({
-            imports: [],
             providers: [
                 EcmModelService,
                 FormService

lib/core/form/services/node.service.spec.ts

@@ -28,7 +28,6 @@ describe('NodeService', () => {
 
     beforeEach(() => {
         TestBed.configureTestingModule({
-            imports: [],
             providers: [
                 NodeService,
                 EcmModelService

lib/core/form/services/process-content.service.spec.ts

@@ -66,7 +66,6 @@ describe('ProcessContentService', () => {
 
     beforeEach(() => {
         TestBed.configureTestingModule({
-            imports: [],
             providers: [
                 ProcessContentService
             ]

lib/core/form/services/widget-visibility.service.spec.ts

@@ -37,7 +37,6 @@ describe('WidgetVisibilityService', () => {
 
     beforeEach(() => {
         TestBed.configureTestingModule({
-            imports: [],
             providers: [
                 WidgetVisibilityService
             ]