Split PoolManager into separate classes. (#19370)

Content.IntegrationTests/Pair/TestMapData.cs

@@ -0,0 +1,19 @@
+using Robust.Shared.GameObjects;
+using Robust.Shared.Map;
+using Robust.Shared.Map.Components;
+
+namespace Content.IntegrationTests.Pair;
+
+/// <summary>
+/// Simple data class that stored information about a map being used by a test.
+/// </summary>
+public sealed class TestMapData
+{
+    public EntityUid MapUid { get; set; }
+    public EntityUid GridUid { get; set; }
+    public MapId MapId { get; set; }
+    public MapGridComponent MapGrid { get; set; } = default!;
+    public EntityCoordinates GridCoords { get; set; }
+    public MapCoordinates MapCoords { get; set; }
+    public TileRef Tile { get; set; }
+}