Make tests faster (#8737)

* Test changes

* Make finding the test tile a little smarter

Content.IntegrationTests/Tests/Chemistry/TryAllReactionsTest.cs

@@ -14,7 +14,7 @@ namespace Content.IntegrationTests.Tests.Chemistry
 {
     [TestFixture]
     [TestOf(typeof(ReactionPrototype))]
-    public sealed class TryAllReactionsTest : ContentIntegrationTest
+    public sealed class TryAllReactionsTest
     {
         private const string Prototypes = @"
 - type: entity
@@ -24,19 +24,16 @@ namespace Content.IntegrationTests.Tests.Chemistry
     solutions:
       beaker:
         maxVol: 50";
-
         [Test]
         public async Task TryAllTest()
         {
-            var options = new ServerContentIntegrationOption{ExtraPrototypes = Prototypes};
-            var server = StartServer(options);
-
-            await server.WaitIdleAsync();
+            await using var pairTracker = await PoolManager.GetServerClient(new PoolSettings{NoClient = true, ExtraPrototypes = Prototypes});
+            var server = pairTracker.Pair.Server;
 
             var entityManager = server.ResolveDependency<IEntityManager>();
             var prototypeManager = server.ResolveDependency<IPrototypeManager>();
             var mapManager = server.ResolveDependency<IMapManager>();
-            var coordinates = GetMainEntityCoordinates(mapManager);
+            var coordinates = PoolManager.GetMainEntityCoordinates(mapManager);
 
             foreach (var reactionPrototype in prototypeManager.EnumeratePrototypes<ReactionPrototype>())
             {
@@ -46,7 +43,7 @@ namespace Content.IntegrationTests.Tests.Chemistry
                 EntityUid beaker;
                 Solution component = null;
 
-                server.Assert(() =>
+                await server.WaitAssertion(() =>
                 {
                     beaker = entityManager.SpawnEntity("TestSolutionContainer", coordinates);
                     Assert.That(EntitySystem.Get<SolutionContainerSystem>()
@@ -63,7 +60,7 @@ namespace Content.IntegrationTests.Tests.Chemistry
 
                 await server.WaitIdleAsync();
 
-                server.Assert(() =>
+                await server.WaitAssertion(() =>
                 {
                     //you just got linq'd fool
                     //(i'm sorry)
@@ -78,8 +75,9 @@ namespace Content.IntegrationTests.Tests.Chemistry
 
                     Assert.That(foundProductsMap.All(x => x.Value));
                 });
-            }
 
+            }
+            await pairTracker.CleanReturnAsync();
         }
     }