test: Applying PR review suggestion of saving the time scale, second location

Author: jeffreyrainy

com.unity.netcode.gameobjects/Tests/Runtime/NetworkVariableTests.cs

@@ -551,8 +551,6 @@ public IEnumerator NetworkVariableSync_WithDifferentTimeScale([Values(true, fals
             // Now wait for the client side version to be updated to k_TestVal1
             yield return WaitForConditionOrTimeOut(() => m_Player1OnClient1.TheScalar.Value == k_TestVal1);
             Assert.IsFalse(s_GlobalTimeoutHelper.TimedOut, "Timed out waiting for client-side NetworkVariable to update!");
-
-            Time.timeScale = 1.0f;
         }
 
         [UnityTest]

com.unity.netcode.gameobjects/Tests/Runtime/Timing/NetworkTimeSystemTests.cs

@@ -15,9 +15,13 @@ public class NetworkTimeSystemTests
         private MonoBehaviourTest<PlayerLoopFixedTimeTestComponent> m_PlayerLoopFixedTimeTestComponent; // cache for teardown
         private MonoBehaviourTest<PlayerLoopTimeTestComponent> m_PlayerLoopTimeTestComponent; // cache for teardown
 
+        private float m_OriginalTimeScale = 1.0f;
+
         [SetUp]
         public void Setup()
         {
+            m_OriginalTimeScale = Time.timeScale;
+
             // Create, instantiate, and host
             Assert.IsTrue(NetworkManagerHelper.StartNetworkManager(out _));
         }
@@ -97,7 +101,7 @@ public void TearDown()
             // Stop, shutdown, and destroy
             NetworkManagerHelper.ShutdownNetworkManager();
 
-            Time.timeScale = 1.0f;
+            Time.timeScale = m_OriginalTimeScale;
 
             if (m_PlayerLoopFixedTimeTestComponent != null)
             {