Scheme's configure_with_targets setting test targets as build targets in 1.7.0

[joshuapoq]

Using scheme.configure_with_targets(nil, test_target) causes test targets in the scheme to have archiving enabled.

I believe this was caused by #614 but causes test targets that are added to have archiving, profiling and building enabled. See below screenshots.

Xcodeproj - 1.6.0:

Xcodeproj - 1.7.0:

[segiddins]

@dostrander