bd3fc49da9 tests/intel/kms_pm_dc: Add dc3co-vpb-framegap subtest
12673b36e9 tests/intel/kms_pm_dc: Add new test for DC3CO recovery after DC6
19285a602c tests/intel/kms_pm_dc: Add new test for dc3co framedrop validation
111fb2facb tests/kms_vrr: Add new test for DC3CO validation with LOBF
6c5eb48583 tests/intel/kms_pm_dc: Enable DC3CO test for PSR2/PR modes
2230073b70 tests/intel/kms_pm_dc: Replace require with proper assertion
90c4f92d4f tests: s/check_dc_counter/assert_dc_counter