Fix content.integration tests warnings (#17817)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.IntegrationTests/Tests/Climbing/ClimbingTest.cs

@@ -1,11 +1,8 @@
 #nullable enable
-using System.Threading.Tasks;
 using Content.IntegrationTests.Tests.Interaction;
 using Content.Server.Climbing;
 using Content.Shared.Climbing;
-using NUnit.Framework;
 using Robust.Shared.Maths;
-using Robust.Shared.Physics.Components;
 
 namespace Content.IntegrationTests.Tests.Climbing;
 
@@ -20,8 +17,11 @@ public sealed class ClimbingTest : MovementTest
 
         // Player is not initially climbing anything.
         var comp = Comp<ClimbingComponent>(Player);
-        Assert.That(comp.IsClimbing, Is.False);
-        Assert.That(comp.DisabledFixtureMasks.Count, Is.EqualTo(0));
+        Assert.Multiple(() =>
+        {
+            Assert.That(comp.IsClimbing, Is.False);
+            Assert.That(comp.DisabledFixtureMasks, Has.Count.EqualTo(0));
+        });
 
         // Attempt (and fail) to walk past the table.
         await Move(DirectionFlag.East, 1f);
@@ -33,16 +33,23 @@ public sealed class ClimbingTest : MovementTest
         await AwaitDoAfters();
 
         // Player should now be climbing
-        Assert.That(comp.IsClimbing, Is.True);
-        Assert.That(comp.DisabledFixtureMasks.Count, Is.GreaterThan(0));
+        Assert.Multiple(() =>
+        {
+            Assert.That(comp.IsClimbing, Is.True);
+            Assert.That(comp.DisabledFixtureMasks, Has.Count.GreaterThan(0));
+        });
 
         // Can now walk over the table.
         await Move(DirectionFlag.East, 1f);
-        Assert.That(Delta(), Is.LessThan(0));
 
-        // After walking away from the table, player should have stopped climbing.
-        Assert.That(comp.IsClimbing, Is.False);
-        Assert.That(comp.DisabledFixtureMasks.Count, Is.EqualTo(0));
+        Assert.Multiple(() =>
+        {
+            Assert.That(Delta(), Is.LessThan(0));
+
+            // After walking away from the table, player should have stopped climbing.
+            Assert.That(comp.IsClimbing, Is.False);
+            Assert.That(comp.DisabledFixtureMasks, Has.Count.EqualTo(0));
+        });
 
         // Try to walk back to the other side (and fail).
         await Move(DirectionFlag.West, 1f);
@@ -51,14 +58,20 @@ public sealed class ClimbingTest : MovementTest
         // Start climbing
         await Server.WaitPost(() => sys.TryClimb(Player, Player, Target.Value));
         await AwaitDoAfters();
-        Assert.That(comp.IsClimbing, Is.True);
-        Assert.That(comp.DisabledFixtureMasks.Count, Is.GreaterThan(0));
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(comp.IsClimbing, Is.True);
+            Assert.That(comp.DisabledFixtureMasks, Has.Count.GreaterThan(0));
+        });
 
         // Walk past table and stop climbing again.
         await Move(DirectionFlag.West, 1f);
-        Assert.That(Delta(), Is.GreaterThan(0));
-        Assert.That(comp.IsClimbing, Is.False);
-        Assert.That(comp.DisabledFixtureMasks.Count, Is.EqualTo(0));
+        Assert.Multiple(() =>
+        {
+            Assert.That(Delta(), Is.GreaterThan(0));
+            Assert.That(comp.IsClimbing, Is.False);
+            Assert.That(comp.DisabledFixtureMasks, Has.Count.EqualTo(0));
+        });
     }
 }
-