pass scope to the unload handlers (closes #6563) (#2713)
pass scope to the unload handlers (closes #6563) (#2713)


DevExpress/testcafe-hammerhead,DevExpress/testcafe-hammerhead,LavrovArtem/testcafe-hammerhead,miherlosev/testcafe-hammerhead,DevExpress/testcafe-hammerhead,DevExpress/testcafe-hammerhead,LavrovArtem/testcafe-hammerhead,LavrovArtem/testcafe-hammerhead,LavrovArtem/testcafe-hammerhead,miherlosev/testcafe-hammerhead,miherlosev/testcafe-hammerhead,miherlosev/testcafe-hammerhead