Try to close a raise in this test where c1's request didn't get processed until after we switched VCL.
Try to close a raise in this test where c1's request didn't get
processed until after we switched VCL.

Fixes #2052

feld/Varnish-Cache,feld/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache