Bug Fixes
- cache: resolved tsconfig in cache key + pkg digest (e891608), closes #749
- cli: resets testMatch if using testRegex option (31ad0aa), closes #756
- diagnostics: throws only for category warning and error (bb28849), closes #748
- import: wrong error message when a module exists but fails (e0d6c57)
- preset: createJestPreset fails with base and no array (3c325e8)