Updated courses model and fixed rich text editor tool bar drop down problem

frontend/tests/AboutUsService.spec.ts

@@ -0,0 +1,40 @@
+import { AboutUsService } from "../client/services"
+import { aboutUsResponse, aboutUsData } from "../utils/user"
+
+describe('AboutUsService', () => {
+  it('should fetch AboutUs data', async () => {
+    jest.spyOn(global, 'fetch').mockResolvedValue({
+      json: jest.fn().mockResolvedValue(aboutUsResponse),
+    } as Response)
+
+    const response = await AboutUsService.getAbouts()
+    expect(response).toEqual(aboutUsData)
+  })
+
+  it('should create a new AboutUs', async () => {
+    jest.spyOn(global, 'fetch').mockResolvedValue({
+      json: jest.fn().mockResolvedValue({ id: '1' }),
+    } as Response)
+
+    const response = await AboutUsService.createAboutUs(aboutUsData[0])
+    expect(response).toEqual({ id: '1' })
+  })
+
+  it('should update an AboutUs', async () => {
+    jest.spyOn(global, 'fetch').mockResolvedValue({
+      json: jest.fn().mockResolvedValue({ id: '1' }),
+    } as Response)
+
+    const response = await AboutUsService.updateAboutUs(aboutUsData[0].id, aboutUsData[0])
+    expect(response).toEqual({ id: '1' })
+  })
+
+  it('should delete an AboutUs', async () => {
+    jest.spyOn(global, 'fetch').mockResolvedValue({
+      json: jest.fn().mockResolvedValue({ id: '1' }),
+    } as Response)
+
+    const response = await AboutUsService.deleteAboutUs({ id: '1' } as any)
+    expect(response).toEqual({ id: '1' })
+  })
+})