Add basic testing of new beatmaps persistence

osu.Game.Tests/Visual/Editing/TestSceneEditorBeatmapCreation.cs

@@ -0,0 +1,25 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Osu;
+using osu.Game.Storyboards;
+
+namespace osu.Game.Tests.Visual.Editing
+{
+    public class TestSceneEditorBeatmapCreation : EditorTestScene
+    {
+        protected override Ruleset CreateEditorRuleset() => new OsuRuleset();
+
+        protected override WorkingBeatmap CreateWorkingBeatmap(IBeatmap beatmap, Storyboard storyboard = null) => new DummyWorkingBeatmap(Audio, null);
+
+        [Test]
+        public void TestCreateNewBeatmap()
+        {
+            AddStep("save beatmap", () => Editor.Save());
+            AddAssert("new beatmap persisted", () => EditorBeatmap.BeatmapInfo.ID > 0);
+        }
+    }
+}