262974682 lib/kms: Make igt_first_crtc_with_single_output() skip if no CRTC/output can be found
dd94d0a82 lib/kms: Make igt_first_crtc() skip if no CRTCs are around
a4b6c56e0 tests/nouveau_crc: Use igt_first_crtc() instead of igt_crtc_for_pipe()
609ca15c8 tests/nouveau_crc: Convert to dynamic subtests
91d0ff698 tests/nouveau_crc: Extract {setup,cleanup}_test()