Code Cleanup: Integration Tests (#29584)

* Cleanup PuddleTest

* Cleanup GravityGridTest

* Cleanup PowerTest

* Cleanup SaveLoadMapTest

* Cleanup Body tests

* Cleanup ContainerOcclusionTest

* Cleanup AirlockTest

* Cleanup DamageableTest

* Cleanup EntityTest

* Cleanup FluidSpillTest

* Cleanup FollowerSystemTest

* Cleanup HandCuffTest

* Cleanup InteractionSystemTests

* Cleanup InRangeUnobstructed

* Cleanup SimplePredictReconcileTest

* Cleanup PostMapInitTest

* Cleanup SalvageTest

* Cleanup SaveLoadSaveTest

* Cleanup ShuttleTest

* Cleanup MaterialArbitrageTest

* Cleanup PrototypeSaveTest

* Fix ShuttleTest

* Bunch of small ones

* Move JobTests to Station directory

* More small fixes

* Cleanup InteractionTest.Helpers
Had to change a method signature, so some callers were modified too.

* Missed one

Content.IntegrationTests/Tests/VendingMachineRestockTest.cs

@@ -111,6 +111,7 @@ namespace Content.IntegrationTests.Tests
             await server.WaitIdleAsync();
 
             var prototypeManager = server.ResolveDependency<IPrototypeManager>();
+            var compFact = server.ResolveDependency<IComponentFactory>();
 
             await server.WaitAssertion(() =>
             {
@@ -133,7 +134,7 @@ namespace Content.IntegrationTests.Tests
                 // Collect all the prototypes with StorageFills referencing those entities.
                 foreach (var proto in prototypeManager.EnumeratePrototypes<EntityPrototype>())
                 {
-                    if (!proto.TryGetComponent<StorageFillComponent>(out var storage))
+                    if (!proto.TryGetComponent<StorageFillComponent>(out var storage, compFact))
                         continue;
 
                     List<string> restockStore = new();