Add test expectation showing a problem with revert

After the revert, the main view shows the diff of the wrong commit.

Author: stefanhaller

pkg/integration/tests/commit/revert.go

@@ -32,6 +32,12 @@ var Revert = NewIntegrationTest(NewIntegrationTestArgs{
 				Contains("Revert \"first commit\""),
 				Contains("first commit").IsSelected(),
 			).
+			Tap(func() {
+				/* EXPECTED:
+				t.Views().Main().Content(Contains("+myfile content"))
+				ACTUAL: */
+				t.Views().Main().Content(Contains("-myfile content"))
+			}).
 			SelectPreviousItem()
 
 		t.Views().Main().Content(Contains("-myfile content"))