Fix the major update packages including Jest. (#414)

Signed-off-by: Tatsat Mishra <tamishra@microsoft.com>

src/utilities/dockerUtils.test.ts

@@ -9,7 +9,9 @@ describe('docker utilities', () => {
       expect(() => checkDockerPath()).not.toThrow()
 
       // docker not installed
-      jest.spyOn(io, 'which').mockImplementationOnce(async () => undefined)
+      jest.spyOn(io, 'which').mockImplementationOnce(async () => {
+         throw new Error('not found')
+      })
       await expect(() => checkDockerPath()).rejects.toThrow()
    })
 })

src/utilities/fileUtils.test.ts

@@ -70,7 +70,7 @@ describe('File utils', () => {
 
       expect(
          fileUtils.getFilesFromDirectoriesAndURLs([badPath, goodPath])
-      ).rejects.toThrowError()
+      ).rejects.toThrow()
    })
 
    it("doesn't duplicate files when nested dir included", async () => {

src/utilities/kubectlUtils.test.ts

@@ -42,20 +42,20 @@ describe('Kubectl utils', () => {
       jest.spyOn(core, 'warning').mockImplementation(() => {})
       let warningCalls = 0
       expect(() => checkForErrors([success], true)).not.toThrow()
-      expect(core.warning).toBeCalledTimes(warningCalls)
+      expect(core.warning).toHaveBeenCalledTimes(warningCalls)
 
       expect(() => checkForErrors([successWithStderr], true)).not.toThrow()
-      expect(core.warning).toBeCalledTimes(++warningCalls)
+      expect(core.warning).toHaveBeenCalledTimes(++warningCalls)
 
       expect(() =>
          checkForErrors([success, successWithStderr], true)
       ).not.toThrow()
-      expect(core.warning).toBeCalledTimes(++warningCalls)
+      expect(core.warning).toHaveBeenCalledTimes(++warningCalls)
 
       expect(() => checkForErrors([failWithExitCode], true)).not.toThrow()
-      expect(core.warning).toBeCalledTimes(++warningCalls)
+      expect(core.warning).toHaveBeenCalledTimes(++warningCalls)
 
       expect(() => checkForErrors([failWithExitWithStderr], true)).not.toThrow()
-      expect(core.warning).toBeCalledTimes(++warningCalls)
+      expect(core.warning).toHaveBeenCalledTimes(++warningCalls)
    })
 })