Regression test and fix bot bug
Make testing more beautiful
Regression test to fix a GraderBotException bug
Make testing work with travis
Use a mock
Fix style
Merge pull request #131 from VitSalis/test_errors

Regression test to fix a GraderBotException bug
Remove unused variable
Merge branch 'master' into fix_samplebot_bug
Merge pull request #130 from VitSalis/fix_samplebot_bug

Regression test and fix bot bug