Announce popup state for buttons and links

internal/presentation/document_line_test.go

@@ -86,3 +86,10 @@ func TestDocumentLineSoundPolicy(t *testing.T) {
 		t.Fatalf("speech-only text = %q", got)
 	}
 }
+
+func TestDocumentLinePopupCue(t *testing.T) {
+	line := atspi.DocumentLine{Contents: []atspi.DocumentContent{{Snapshot: atspi.Snapshot{Role: "button", HasPopup: true}, Text: "Options"}}}
+	if got := DocumentLineText(line); got != "Options, button, has popup" {
+		t.Fatalf("popup line = %q", got)
+	}
+}