disabling test until fix
fixed https://github.com/Project60/sepa_dd/issues/124
batching test documentation #129
more documentation (https://github.com/Project60/sepa_dd/issues/129)
added documentation for remaining tests (#129)
added unit test readme
fixed txgroup error handling (#138)
more tests and test helpers
test case for https://github.com/Project60/sepa_dd/issues/128
added test suite helper class and -functions
Merge branch 'master' of https://github.com/Project60/sepa_dd
fixed #138
test case for https://github.com/Project60/sepa_dd/issues/128
test case for https://github.com/Project60/sepa_dd/issues/128