fix: license validations is not working

apps/emqx_enterprise/src/emqx_enterprise.app.src

@@ -1,6 +1,6 @@
 {application, emqx_enterprise, [
     {description, "EMQX Enterprise Edition"},
-    {vsn, "0.1.1"},
+    {vsn, "0.1.2"},
     {registered, []},
     {applications, [
         kernel,

apps/emqx_enterprise/src/emqx_enterprise_schema.erl

@@ -35,7 +35,7 @@ desc(Name) ->
     ee_delegate(desc, ?EE_SCHEMA_MODULES, Name).
 
 validations() ->
-    emqx_conf_schema:validations().
+    emqx_conf_schema:validations() ++ emqx_license_schema:validations().
 
 %%------------------------------------------------------------------------------
 %% helpers

lib-ee/emqx_license/test/emqx_license_http_api_SUITE.erl

@@ -193,6 +193,22 @@ t_license_setting(_Config) ->
     validate_setting(UpdateRes, Low, High),
     ?assertEqual(0.5, emqx_config:get([license, connection_low_watermark])),
     ?assertEqual(0.55, emqx_config:get([license, connection_high_watermark])),
+
+    %% update bad setting low >= high
+    ?assertMatch(
+        {ok, 400, _},
+        request(post, uri(["license", "setting"]), #{
+            <<"connection_low_watermark">> => <<"50%">>,
+            <<"connection_high_watermark">> => <<"50%">>
+        })
+    ),
+    ?assertMatch(
+        {ok, 400, _},
+        request(post, uri(["license", "setting"]), #{
+            <<"connection_low_watermark">> => <<"51%">>,
+            <<"connection_high_watermark">> => <<"50%">>
+        })
+    ),
     ok.
 
 validate_setting(Res, ExpectLow, ExpectHigh) ->