Add failing test

osu.Game.Tests/Visual/SongSelect/TestScenePlaySongSelect.cs

@@ -242,6 +242,22 @@ public void TestRulesetChangeResetsMods()
             void onRulesetChange(ValueChangedEvent<RulesetInfo> e) => rulesetChangeIndex = actionIndex++;
         }
 
+        [Test]
+        public void TestModsRetainedBetweenSongSelect()
+        {
+            AddAssert("empty mods", () => !Mods.Value.Any());
+
+            createSongSelect();
+
+            addRulesetImportStep(0);
+
+            changeMods(new OsuModHardRock());
+
+            createSongSelect();
+
+            AddAssert("mods retained", () => Mods.Value.Any());
+        }
+
         [Test]
         public void TestStartAfterUnMatchingFilterDoesNotStart()
         {