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

tests/utils/index.ts

@@ -2,5 +2,7 @@ import { visitStudy } from './visitStudy';
 import { checkForScreenshot } from './checkForScreenshot';
 import { screenShotPaths } from './screenShotPaths';
 import { simulateClicksOnElement } from './simulateClicksOnElement';
+import { reduce3DViewportSize } from './reduce3DviewportSize';
 
-export { visitStudy, checkForScreenshot, screenShotPaths, simulateClicksOnElement };
+
+export { visitStudy, checkForScreenshot, screenShotPaths, simulateClicksOnElement, reduce3DViewportSize };