add test to verify that buffer_size_bytes and maxrewrite can be modified to allow large HTTP requests
add test to verify that buffer_size_bytes and maxrewrite can be modified to allow large HTTP requests

cloudfoundry-community/cf-haproxy-boshrelease,cloudfoundry-community/cf-haproxy-boshrelease,cloudfoundry-community/cf-haproxy-boshrelease