gotools/gopls/internal/test/integration/modfile/tempmodfile_test.go

// This test replaces an older, problematic test (golang/go#57784). But it has
// been a long time since the go command would mutate go.mod files.
//
// TODO(golang/go#61970): the tempModfile setting should be removed entirely.
func TestTempModfileUnchanged(t *testing.T) { … }