New feature: provide location order (#24 related)

tests/test.yml

@@ -155,6 +155,17 @@
         location:
           '/':
             - 'alias /var/tmp;'
+          '/a':
+            - 'alias /var/tmp;'
+          '/b':
+            - 'alias /var/tmp;'
+          '/c':
+            - 'alias /var/tmp;'
+        location_order:
+          - '/'
+          - '/a'
+          - '/b'
+          - '/c'
       - name: 'test-php.local'
         php_version: "{{ '7.0' if nginx_php70 else '5.6' }}"
         upstream_params: