request_start_time: add testcase

tests/test-nginx/cases/req-start-time-variable.t

@@ -0,0 +1,28 @@
+# -*- mode: conf -*-
+# vim:set ft= ts=4 sw=4 et fdm=marker:
+
+use lib 'lib';
+use Test::Nginx::Socket::Lua;
+
+log_level('warn');
+
+repeat_each(2);
+
+plan tests => repeat_each() * (blocks() * 3);
+
+no_long_string();
+run_tests();
+
+__DATA__
+
+=== TEST 1: start time
+--- config
+    location = /start {
+        return 200 $request_start_time;
+    }
+--- request
+GET /start
+--- response_body_like: ^\d\d/[A-Z][a-z]{2}/\d{4}:\d\d:\d\d:\d\d [+-]\d{4}$
+--- no_error_log
+[error]
+