added several (passing) tests for ngx.thread + ngx.location.capture.
added several (passing) tests for ngx.thread + ngx.location.capture.

yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx