const testing.fuzzCoordinator

4 uses

	testing (current package)
		fuzz.go#L263: 			if f.fuzzContext.mode == fuzzCoordinator {
		fuzz.go#L345: 	case fuzzCoordinator:
		fuzz.go#L463: 	fuzzCoordinator
		fuzz.go#L547: 		fctx.mode = fuzzCoordinator