diff --git a/src/app/app.component.spec.ts b/src/app/app.component.spec.ts
index 62e8d6f..ca10fb8 100644
--- a/src/app/app.component.spec.ts
+++ b/src/app/app.component.spec.ts
@@ -14,16 +14,16 @@ describe('AppComponent', () => {
     expect(app).toBeTruthy();
   });
 
-  it(`should have the 'angular-techs-logos' title`, () => {
+  it(`should have the 'angular-techs-logos'`, () => {
     const fixture = TestBed.createComponent(AppComponent);
     const app = fixture.componentInstance;
-    expect(app.title).toEqual('angular-techs-logos');
+    expect(app.codeString).toEqual('<angular-techs-logos />');
   });
 
   it('should render title', () => {
     const fixture = TestBed.createComponent(AppComponent);
     fixture.detectChanges();
     const compiled = fixture.nativeElement as HTMLElement;
-    expect(compiled.querySelector('h1')?.textContent).toContain('Hello, angular-techs-logos');
+    expect(compiled.querySelector('h1')?.textContent).toContain('angular-techs-logos');
   });
 });
diff --git a/src/app/components/app-footer/app-footer.component.spec.ts b/src/app/components/app-footer/app-footer.component.spec.ts
index 2e2365f..65390d0 100644
--- a/src/app/components/app-footer/app-footer.component.spec.ts
+++ b/src/app/components/app-footer/app-footer.component.spec.ts
@@ -1,5 +1,4 @@
 import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
-
 import { AppFooterComponent } from './app-footer.component';
 
 describe('AppFooterComponent', () => {
@@ -8,7 +7,7 @@ describe('AppFooterComponent', () => {
 
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
-      declarations: [ AppFooterComponent ]
+      imports: [ AppFooterComponent ]
     })
     .compileComponents();
   }));
diff --git a/src/app/components/app-version/app-version.component.spec.ts b/src/app/components/app-version/app-version.component.spec.ts
index a723494..3cbf47f 100644
--- a/src/app/components/app-version/app-version.component.spec.ts
+++ b/src/app/components/app-version/app-version.component.spec.ts
@@ -1,17 +1,18 @@
-import { ComponentFixture, TestBed } from '@angular/core/testing';
-
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
 import { AppVersionComponent } from './app-version.component';
 
 describe('AppVersionComponent', () => {
   let component: AppVersionComponent;
   let fixture: ComponentFixture<AppVersionComponent>;
 
-  beforeEach(async () => {
-    await TestBed.configureTestingModule({
-      declarations: [ AppVersionComponent ]
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      imports: [ AppVersionComponent ]
     })
     .compileComponents();
+  }));
 
+  beforeEach(() => {
     fixture = TestBed.createComponent(AppVersionComponent);
     component = fixture.componentInstance;
     fixture.detectChanges();
diff --git a/src/app/components/darkmode/darkmode.component.spec.ts b/src/app/components/darkmode/darkmode.component.spec.ts
index 1bf9e0d..4a061ea 100644
--- a/src/app/components/darkmode/darkmode.component.spec.ts
+++ b/src/app/components/darkmode/darkmode.component.spec.ts
@@ -9,7 +9,7 @@ describe('DarkmodeComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ DarkmodeComponent ]
+      imports: [ DarkmodeComponent ]
     })
     .compileComponents();