- Issue

[describe the issue here]



- Expected behavior

[describe the expected behavior here]

- Output from your debug log
[ You can activate the debug logger by setting the environment variable TS_JEST_DEBUG="true" before running yarn test. The output of the logger
will be in **<your_project_dir>/node_modules/ts-jest/debug.txt** ]


- Link to a minimal repo that reproduces this issue

[If you haven't already, create the smallest possible repo that reproduces this issue by running `npm install` and `npm test`. This will speed up any fixes that this issue might need]



- Optional (but highly recommended) - Configure Travis (or your favorite system) with the minimal repo

This allows potential solutions to be tested against the minimal repo. This saves everyone time and avoids a lot of back and forth.
