test: add test for custom api prefix

test/test_api.py

@@ -46,6 +46,21 @@
         )
 
 
+class ApiMountedCustomPrefixTC(ApiBaseTC):
+    settings = {
+        "cubicweb.includes": ["cubicweb.pyramid.auth"],
+        "cubicweb_api.enable_login_route": "yes",
+        "cubicweb_api.api_path_prefix": "custom/url",
+    }
+
+    def test_served_on_base_url_path(self):
+        self.webapp.get(
+            "https://testing.cubicweb/custom/url/v1/schema",
+            headers=self.custom_headers,
+            status=200,
+        )
+
+
 if __name__ == "__main__":
     from unittest import main