gotools/gopls/internal/test/integration/diagnostics/invalidation_test.go

// Test for golang/go#50267: diagnostics should be re-sent after a file is
// opened.
func TestDiagnosticsAreResentAfterCloseOrOpen(t *testing.T) { … }

// Test for the "chatty" diagnostics: gopls should re-send diagnostics for
// changed files after every file change, even if diagnostics did not change.
func TestChattyDiagnostics(t *testing.T) { … }

func TestCreatingPackageInvalidatesDiagnostics_Issue66384(t *testing.T) { … }