Adding support to skip tests based on provided xtf.<product ID>.subId

[fabiobrz]

This PR is a proposal for adding support for skipping tests based on the xtf.<productId>.subid system property, as per the issue below, since WFLY 27 is not so far away...

Tests added as well, using https://mvnrepository.com/artifact/uk.org.webcompere/system-stubs-jupiter/2.0.1 which seems lightweight enough for use in test scope in order to set properties.

CC @mchoma

Fixes #470

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[mnovak1]

@fabiobrz I've just merged #480 which affects the same code. Could you rebase it, please? I'm afraid there will be conflicts in SkipFor class which start to be more complex.

[fabiobrz]

@fabiobrz I've just merged #480 which affects the same code. Could you rebase it, please? I'm afraid there will be conflicts in SkipFor class which start to be more complex.

Hi @mnovak1 - thanks for the heads-up. Rebased and adjusted some tests.

[mnovak1]

LGTM.

[mnovak1]

Merging, thanks for the PR.

[mchoma]

In my opinion this can replace name, imageMetadataLabelName, imageMetadataLabelArchitecture as all three options in the end serves to identify image in subId. Of course we need to handle backward compatibility.

So for example where imageMetadataLabelArchitecture was needed now subId can do work as well. in other words seems to me with this feature in place we do not need recent imageMetadataLabelArchitecture option.

[dale-fu]

I do still have use for imageMetadataLabelArchitecture in other products as sometimes our team shares the same subId as x86.