}
	}
	for name, dt := range stats.RangeTime {
		if dt < 0 {
			t.Errorf("found negative RangeTime for range %s", name)
		}
	}
}

func TestRelatedGoroutinesV2Trace(t *testing.T) {
	testPath := "testdata/tests/go122-gc-stress.test"
	trc, _, err := testtrace.ParseFile(testPath)
	if err != nil {
		t.Fatalf("malformed test %s: bad trace file: %v", testPath, err)
	}