fix not being modules

Signed-off-by: Sebastian Malton <sebastian@malton.name>

__mocks__/imageMock.ts

@@ -18,4 +18,5 @@
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-module.exports = {};
+
+export default {};