message: test(module): ensures `pathsToModuleNameMapper` is exported
diff: @@ -27,6 +27,9 @@ describe('ts-jest', () => {
  it('should export a `createJestPreset` function', () => {
  expect(typeof tsJest.createJestPreset).toBe('function')
  })
  + it('should export a `pathsToModuleNameMapper` function', () => {
  + expect(typeof tsJest.pathsToModuleNameMapper).toBe('function')
  + })
  it('should export a `jestPreset` object', () => {
  expect(tsJest.jestPreset).toEqual({ jestPreset: true })
  })
  