diff --git a/spec/02-integration/04-admin_api/04-plugins_routes_spec.lua b/spec/02-integration/04-admin_api/04-plugins_routes_spec.lua
index 6648787ccc09..fa3e3663abf6 100644
--- a/spec/02-integration/04-admin_api/04-plugins_routes_spec.lua
+++ b/spec/02-integration/04-admin_api/04-plugins_routes_spec.lua
@@ -230,14 +230,16 @@ for _, strategy in helpers.each_strategy() do
 
     describe("/plugins/schema/{plugin}", function()
       describe("GET", function()
-        it("returns the schema of a plugin config", function()
-          local res = assert(client:send {
-            method = "GET",
-            path = "/plugins/schema/request-transformer",
-          })
-          local body = assert.res_status(200, res)
-          local json = cjson.decode(body)
-          assert.is_table(json.fields)
+        it("returns the schema of all bundled plugins", function()
+          for plugin, _ in pairs(helpers.test_conf.loaded_plugins) do
+            local res = assert(client:send {
+              method = "GET",
+              path = "/plugins/schema/" .. plugin,
+            })
+            local body = assert.res_status(200, res)
+            local json = cjson.decode(body)
+            assert.is_table(json.fields)
+          end
         end)
         it("returns 404 on invalid plugin", function()
           local res = assert(client:send {