const testing.parallelConflict

3 uses

	testing (current package)
		testing.go#L1530: const parallelConflict = `testing: test using t.Setenv or t.Chdir can not use t.Parallel`
		testing.go#L1541: 		panic(parallelConflict)
		testing.go#L1604: 			panic(parallelConflict)