Fix on top of #1943 + adding test cases

Author: Felipe Zimmerle

Makefile.am

@@ -94,6 +94,7 @@ TESTS+=test/test-cases/regression/issue-1844.json
 TESTS+=test/test-cases/regression/issue-1850.json
 TESTS+=test/test-cases/regression/issue-1725.json
 TESTS+=test/test-cases/regression/issue-1941.json
+TESTS+=test/test-cases/regression/issue-1943.json
 TESTS+=test/test-cases/regression/variable-RESPONSE_HEADERS.json
 TESTS+=test/test-cases/regression/config-include.json
 TESTS+=test/test-cases/regression/variable-WEBSERVER_ERROR_LOG.json