fix(marathon-gradle-plugin): fixed groovy filtering configuration

[ildar2]

fix #752
fixed Wrapper.toList() so it would fill 'values' for FilterConfigurations if there are more than 1 entry. otherwise it would remain as 'regex'
added a 'fully-qualified-test-name' implementation

[codecov]

Codecov Report

Merging #753 (fac6f27) into develop (6e87c35) will not change coverage.
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[ildar2]

@Malinskiy let me know if there is something to fix in this pr. I've thought about implementing file filtering, but decided not to stuff it in there.
There are two options I've considered for file:

1. check if there is a "file:" prefix in filtering config
2. create a separate config for file

both have their trade offs, but I like the first one better

[Malinskiy]

@ildar2 thanks a lot for the PR! I'll have time to review this during the weekend, will reply back here if something needs to be changed. From a quick glance - there should be something added to the docs about the behavior here with mapping single filter parameter to regex and multiple parameters to values. I wouldn't bother with file filters since gradle community seems to insist everything should be in xxx.gradle.

[ildar2]

Hey! How's it going? We pretty much got around this with "test1|test2" regex hack, but it would be easier for others to use marathon with this addition