message: test: correct expectation for babel error message
  This error message slightly changed from v6 to v7.
diff: @@ -25,7 +25,7 @@ describe('resolveToPatchError', () => {
  strictEqual(
  PatchError.prettyPrint(patchError),
  stripSharedIndent(`
  - testStage failed to parse: Unexpected token, expected ; (2:3)
  + testStage failed to parse: Unexpected token, expected ";" (2:3)
  1 | let x = 3;
  > 2 | f())
  | ^
  