caddy-frontend/test: Introduce HttpFrontendTestCase

This allows to test the minimal setup of the configuration.

The setup is split, as slaves are now not required.

Some test methods are changed to reflect the reality of instantiation.

software/caddy-frontend/test/test_data/test.TestMasterRequest.test_file_list_log-CADDY.txt

@@ -7,11 +7,7 @@ T-1/var/log/monitor-httpd-access.log
 T-1/var/log/monitor-httpd-error.log
 T-2/var/log/frontend-access.log
 T-2/var/log/frontend-error.log
-T-2/var/log/httpd-cache-direct/_waitforcaddyslave_access_log
-T-2/var/log/httpd-cache-direct/_waitforcaddyslave_error_log
 T-2/var/log/httpd-csr_id/expose-csr_id.log
-T-2/var/log/httpd/_waitforcaddyslave_access_log
-T-2/var/log/httpd/_waitforcaddyslave_error_log
 T-2/var/log/monitor-httpd-access.log
 T-2/var/log/monitor-httpd-error.log
 T-2/var/log/trafficserver/manager.log

software/caddy-frontend/test/test_data/test.TestMasterRequestDomain.test_file_list_log-CADDY.txt

@@ -7,11 +7,7 @@ T-1/var/log/monitor-httpd-access.log
 T-1/var/log/monitor-httpd-error.log
 T-2/var/log/frontend-access.log
 T-2/var/log/frontend-error.log
-T-2/var/log/httpd-cache-direct/_waitforcaddyslave_access_log
-T-2/var/log/httpd-cache-direct/_waitforcaddyslave_error_log
 T-2/var/log/httpd-csr_id/expose-csr_id.log
-T-2/var/log/httpd/_waitforcaddyslave_access_log
-T-2/var/log/httpd/_waitforcaddyslave_error_log
 T-2/var/log/monitor-httpd-access.log
 T-2/var/log/monitor-httpd-error.log
 T-2/var/log/trafficserver/manager.log