It's time to collect all generators into same change handler.

means revert the change in the karaoke-dev#1958.

osu.Game.Rulesets.Karaoke.Tests/Editor/ChangeHandlers/Lyrics/LyricLanguageChangeHandlerTest.cs

@@ -11,44 +11,6 @@ namespace osu.Game.Rulesets.Karaoke.Tests.Editor.ChangeHandlers.Lyrics;
 
 public partial class LyricLanguageChangeHandlerTest : LyricPropertyChangeHandlerTest<LyricLanguageChangeHandler>
 {
-    protected override bool IncludeAutoGenerator => true;
-
-    #region Auto-Generate
-
-    [Test]
-    public void TestDetectLanguage()
-    {
-        PrepareHitObject(() => new Lyric
-        {
-            Text = "カラオケ",
-        });
-
-        TriggerHandlerChanged(c => c.AutoGenerate());
-
-        AssertSelectedHitObject(h =>
-        {
-            Assert.AreEqual(new CultureInfo("ja"), h.Language);
-        });
-    }
-
-    [Test]
-    public void TestDetectLanguageWithNonSupportedLyric()
-    {
-        PrepareHitObject(() => new Lyric
-        {
-            Text = "???",
-        });
-
-        TriggerHandlerChanged(c => c.AutoGenerate());
-
-        AssertSelectedHitObject(h =>
-        {
-            Assert.IsNull(h.Language);
-        });
-    }
-
-    #endregion
-
     [Test]
     public void TestSetLanguageToJapanese()
     {

osu.Game.Rulesets.Karaoke.Tests/Editor/ChangeHandlers/Lyrics/LyricNotesChangeHandlerTest.cs

@@ -1,70 +1,10 @@
 // Copyright (c) andy840119 <[email protected]>. Licensed under the GPL Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System.Linq;
-using NUnit.Framework;
-using osu.Framework.Allocation;
-using osu.Framework.Graphics.Sprites;
 using osu.Game.Rulesets.Karaoke.Edit.ChangeHandlers.Lyrics;
-using osu.Game.Rulesets.Karaoke.Edit.Generator;
-using osu.Game.Rulesets.Karaoke.Edit.Utils;
-using osu.Game.Rulesets.Karaoke.Objects;
-using osu.Game.Screens.Edit;
 
 namespace osu.Game.Rulesets.Karaoke.Tests.Editor.ChangeHandlers.Lyrics;
 
 public partial class LyricNotesChangeHandlerTest : LyricPropertyChangeHandlerTest<LyricNotesChangeHandler>
 {
-    protected override bool IncludeAutoGenerator => true;
-
-    #region Note
-
-    [Test]
-    public void TestAutoGenerateNotes()
-    {
-        PrepareHitObject(() => new Lyric
-        {
-            Text = "カラオケ",
-            TimeTags = new[]
-            {
-                new TimeTag(new TextIndex(0), 0),
-                new TimeTag(new TextIndex(1), 1000),
-                new TimeTag(new TextIndex(2), 2000),
-                new TimeTag(new TextIndex(3), 3000),
-                new TimeTag(new TextIndex(3, TextIndex.IndexState.End), 4000),
-            },
-        });
-
-        TriggerHandlerChanged(c => c.AutoGenerate());
-
-        AssertSelectedHitObject(h =>
-        {
-            var actualNotes = getMatchedNotes(h);
-            Assert.AreEqual(4, actualNotes.Length);
-
-            Assert.AreEqual("カ", actualNotes[0].Text);
-            Assert.AreEqual("ラ", actualNotes[1].Text);
-            Assert.AreEqual("オ", actualNotes[2].Text);
-            Assert.AreEqual("ケ", actualNotes[3].Text);
-        });
-    }
-
-    [Test]
-    public void TestAutoGenerateNotesWithNonSupportedLyric()
-    {
-        PrepareHitObject(() => new Lyric
-        {
-            Text = "カラオケ",
-        });
-
-        TriggerHandlerChangedWithException<GeneratorNotSupportedException>(c => c.AutoGenerate());
-    }
-
-    private Note[] getMatchedNotes(Lyric lyric)
-    {
-        var editorBeatmap = Dependencies.Get<EditorBeatmap>();
-        return EditorBeatmapUtils.GetNotesByLyric(editorBeatmap, lyric).ToArray();
-    }
-
-    #endregion
 }