Fix tests

__tests__/tar.test.ts

@@ -106,7 +106,7 @@ test('gzip extract GNU tar on windows with GNUtar in path', async () => {
     // GNU tar present in path but not at default location
     const isGnuMock = jest
       .spyOn(utils, 'getGnuTarPathOnWindows')
-      .mockReturnValue(Promise.resolve('C:\\Program Files\\gnutar\\tar.exe'))
+      .mockReturnValue(Promise.resolve('tar'))
     const execMock = jest.spyOn(exec, 'exec')
     const archivePath = `${process.env['windir']}\\fakepath\\cache.tar`
     const workspace = process.env['GITHUB_WORKSPACE']

src/internal/tar.ts

@@ -7,10 +7,7 @@ import {CompressionMethod} from './constants'
 
 const IS_WINDOWS = process.platform === 'win32'
 
-async function getTarPath(
+async function getTarPath(args: string[]): Promise<string> {
-  args: string[],
-  compressionMethod: CompressionMethod
-): Promise<string> {
   let tarPath = await io.which('tar', true)
   switch (process.platform) {
     case 'win32': {