Fix tests

Author: bdach

osu.Game.Tests/Visual/Gameplay/TestScenePause.cs

@@ -69,7 +69,7 @@ public void TestTogglePauseViaBackAction()
             pauseViaBackAction();
             pauseViaBackAction();
             confirmPausedWithNoOverlay();
-            AddAssert("pause recorded", () => Player.Score.ScoreInfo.Pauses, () => Has.Length.EqualTo(1));
+            AddAssert("pause recorded", () => Player.Score.ScoreInfo.Pauses, () => Has.Count.EqualTo(1));
         }
 
         [Test]
@@ -78,7 +78,7 @@ public void TestTogglePauseViaPauseGameplayAction()
             pauseViaPauseGameplayAction();
             pauseViaPauseGameplayAction();
             confirmPausedWithNoOverlay();
-            AddAssert("pause recorded", () => Player.Score.ScoreInfo.Pauses, () => Has.Length.EqualTo(1));
+            AddAssert("pause recorded", () => Player.Score.ScoreInfo.Pauses, () => Has.Count.EqualTo(1));
         }
 
         [Test]