test(improve-setup): sharding configuration, allow accessing cornerstone methods and events in tests, and add types (#4255)

extensions/cornerstone/src/types/AppTypes.ts

@@ -6,6 +6,8 @@ import SyncGroupServiceType from '../services/SyncGroupService';
 import ToolGroupServiceType from '../services/ToolGroupService';
 import ViewportActionCornersServiceType from '../services/ViewportActionCornersService/ViewportActionCornersService';
 import ColorbarServiceType from '../services/ColorbarService';
+import * as cornerstone from '@cornerstonejs/core';
+import * as cornerstoneTools from '@cornerstonejs/tools';
 
 declare global {
   namespace AppTypes {
@@ -25,5 +27,11 @@ declare global {
       viewportActionCornersService?: ViewportActionCornersServiceType;
       colorbarService?: ColorbarServiceType;
     }
+
+    export interface Test {
+      services?: Services;
+      cornerstone?: typeof cornerstone;
+      cornerstoneTools?: typeof cornerstoneTools;
+    }
   }
 }