Add NukeOps Test (#27207)

* Add NukeOps Test

* Update EvacShuttleTest to also check mapinit

* Update RuleMaxTimeRestartTest

* Fix cvar cleanup

* A

* Revert some changes

* comments

* Add MappingTests

* Finally fix the test

* A

Content.IntegrationTests/Pair/TestPair.Timing.cs

@@ -1,5 +1,4 @@
 #nullable enable
-using Robust.Shared.Timing;
 
 namespace Content.IntegrationTests.Pair;
 
@@ -19,6 +18,22 @@ public sealed partial class TestPair
         }
     }
 
+    /// <summary>
+    /// Convert a time interval to some number of ticks.
+    /// </summary>
+    public int SecondsToTicks(float seconds)
+    {
+        return (int) Math.Ceiling(seconds / Server.Timing.TickPeriod.TotalSeconds);
+    }
+
+    /// <summary>
+    /// Run the server & client in sync for some amount of time
+    /// </summary>
+    public async Task RunSeconds(float seconds)
+    {
+        await RunTicksSync(SecondsToTicks(seconds));
+    }
+
     /// <summary>
     /// Runs the server-client pair in sync, but also ensures they are both idle each tick.
     /// </summary>
@@ -59,4 +74,4 @@ public sealed partial class TestPair
         delta = cTick - sTick;
         Assert.That(delta, Is.EqualTo(targetDelta));
     }
-}
+}