Strengthen text expectation

This assertion didn't test anything useful, given that the filtered view already
has two lines. This should have been adapted in 9f0b4d0 when we added
section headers while filtering.

Author: stefanhaller

pkg/integration/tests/filter_and_search/filter_menu.go

@@ -48,7 +48,7 @@ var FilterMenu = NewIntegrationTest(NewIntegrationTestArgs{
 			Tap(func() {
 				t.ExpectPopup().Menu().
 					Title(Equals("Keybindings")).
-					LineCount(GreaterThan(1))
+					LineCount(GreaterThan(2))
 			})
 	},
 })