Menu item safety for Ubuntu tests too

internal/driver/glfw/canvas_other_test.go

@@ -35,7 +35,9 @@ func TestGlCanvas_FocusHandlingWhenActivatingOrDeactivatingTheMenu(t *testing.T)
 	assert.Equal(t, ce2, c.Focused())
 	assert.True(t, ce2.focused)
 
-	m.Items[0].(*menuBarItem).Tapped(&fyne.PointEvent{})
+	runOnMain(func() {
+		m.Items[0].(*menuBarItem).Tapped(&fyne.PointEvent{})
+	})
 	assert.True(t, m.IsActive())
 	ctxt := "activating the menu changes focus handler and focuses the menu bar item but does not remove focus from content"
 	assert.True(t, ce2.focused, ctxt)
@@ -46,7 +48,9 @@ func TestGlCanvas_FocusHandlingWhenActivatingOrDeactivatingTheMenu(t *testing.T)
 	assert.True(t, ce2.focused, ctxt)
 	assert.Equal(t, m.Items[1], c.Focused(), ctxt)
 
-	m.Items[0].(*menuBarItem).Tapped(&fyne.PointEvent{})
+	runOnMain(func() {
+		m.Items[0].(*menuBarItem).Tapped(&fyne.PointEvent{})
+	})
 	assert.False(t, m.IsActive())
 	ctxt = "deactivating the menu restores focus handler from content"
 	assert.True(t, ce2.focused, ctxt)