Add failing test coverage for tournament startup states

osu.Game.Tournament.Tests/Screens/TestSceneGameplayScreen.cs

@@ -4,8 +4,10 @@
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
+using osu.Framework.Graphics;
 using osu.Framework.Testing;
 using osu.Game.Tournament.Components;
+using osu.Game.Tournament.IPC;
 using osu.Game.Tournament.Screens.Gameplay;
 using osu.Game.Tournament.Screens.Gameplay.Components;
 
@@ -16,16 +18,18 @@ public class TestSceneGameplayScreen : TournamentTestScene
         [Cached]
         private TournamentMatchChatDisplay chat = new TournamentMatchChatDisplay { Width = 0.5f };
 
-        [BackgroundDependencyLoader]
-        private void load()
+        [Test]
+        public void TestStartupState([Values] TourneyState state)
         {
-            Add(new GameplayScreen());
-            Add(chat);
+            AddStep("set state", () => IPCInfo.State.Value = state);
+            createScreen();
         }
 
         [Test]
         public void TestWarmup()
         {
+            createScreen();
+
             checkScoreVisibility(false);
 
             toggleWarmup();
@@ -35,6 +39,20 @@ public void TestWarmup()
             checkScoreVisibility(false);
         }
 
+        private void createScreen()
+        {
+            AddStep("setup screen", () =>
+            {
+                Remove(chat);
+
+                Children = new Drawable[]
+                {
+                    new GameplayScreen(),
+                    chat,
+                };
+            });
+        }
+
         private void checkScoreVisibility(bool visible)
             => AddUntilStep($"scores {(visible ? "shown" : "hidden")}",
                 () => this.ChildrenOfType<TeamScore>().All(score => score.Alpha == (visible ? 1 : 0)));