Fix NukeOpsTest for IPC species

Skip respirator checks when nukie spawns as IPC (android) since they
don't have lungs. Fixes test failure with RespiratorComponent.

Based on Corvax fix: space-syndicate/space-station-14#3472

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Content.IntegrationTests/Tests/GameRules/NukeOpsTest.cs

@@ -226,15 +226,20 @@ public sealed class NukeOpsTest
         Assert.That(total, Is.GreaterThan(3));
 
         // Check the nukie commander passed basic training and figured out how to breathe.
+        // Skip respirator checks for IPC (they don't breathe)
+        var isIpc = entMan.GetComponent<MetaDataComponent>(player).EntityPrototype?.ID == "MobIpc";
         var totalSeconds = 30;
         var totalTicks = (int) Math.Ceiling(totalSeconds / server.Timing.TickPeriod.TotalSeconds);
         var increment = 5;
-        var resp = entMan.GetComponent<RespiratorComponent>(player);
+        RespiratorComponent? resp = null;
+        if (!isIpc)
+            resp = entMan.GetComponent<RespiratorComponent>(player);
         var damage = entMan.GetComponent<DamageableComponent>(player);
         for (var tick = 0; tick < totalTicks; tick += increment)
         {
             await pair.RunTicksSync(increment);
-            Assert.That(resp.SuffocationCycles, Is.LessThanOrEqualTo(resp.SuffocationCycleThreshold));
+            if (!isIpc)
+                Assert.That(resp!.SuffocationCycles, Is.LessThanOrEqualTo(resp.SuffocationCycleThreshold));
             Assert.That(damage.TotalDamage, Is.EqualTo(FixedPoint2.Zero));
         }