Add test demonstrating a problem with updating the filter when the model changes

We only update the filter when the filtered view has the focus.

pkg/integration/tests/filter_and_search/filter_updates_when_model_changes.go

@@ -41,13 +41,35 @@ var FilterUpdatesWhenModelChanges = NewIntegrationTest(NewIntegrationTestArgs{
 			}).
 			Lines(
 				Contains("checked-out-branch").IsSelected(),
-			).
+			)
+
+		// Verify that updating the filter works even if the view is not the active one
+		t.Views().Files().Focus()
+
+		// To do that, we use a custom command to create a new branch that matches the filter
+		t.GlobalPress(keys.Universal.ExecuteCustomCommand)
+		t.ExpectPopup().Prompt().
+			Title(Equals("Custom command:")).
+			Type("git branch new-branch").
+			Confirm()
+
+		t.Views().Branches().
+			Lines(
+				Contains("checked-out-branch").IsSelected(),
+				/* EXPECTED:
+				Contains("new-branch"),
+				*/
+			)
+
+		t.Views().Branches().
+			Focus().
 			// cancel the filter
 			PressEscape().
 			Lines(
 				Contains("checked-out-branch").IsSelected(),
 				Contains("other"),
 				Contains("master"),
+				Contains("new-branch"),
 			)
 	},
 })