ERT-759: Added ert_version argument to TestRun class; default if argument not set is stable
Merge pull request #630 from chflo/ERT_759_fix_irregular_testcase

ERT-759: Added ert_version argument to TestRun class; default if argumen...
Revert "ERT-759: Added ert_version argument to TestRun class; default if argumen..."
Merge pull request #631 from Ensembles/revert-630-ERT_759_fix_irregular_testcase

Revert "ERT-759: Added ert_version argument to TestRun class; default if...