Intent of customizationHarnessService.test|title=CustomizationHarnessService registerExternalHarness adds harness to available list|occurrence=1, customizationHarnessService.test|title=CustomizationHarnessService registerExternalHarness external harness with same id as static harness replaces it|occurrence=1

All 3 exact tests in this concept. Every test is marked by where it enters the hierarchy.