diff --git a/test/gtest_schema.cpp b/test/gtest_schema.cpp
index 835ba1c48d521ab9a099fb83989fd44ce5bd0d04..57d7f1eafc260b35b54f922422195e653042c089 100644
--- a/test/gtest_schema.cpp
+++ b/test/gtest_schema.cpp
@@ -121,18 +121,29 @@ TEST(Schema, validate_all_schemas)
 
 TEST(Schema, duplicated_schemas)
 {
-    std::set<std::string> schemas_found;
+    std::map<std::string, std::string> schemas_found;
+    unsigned int                       n_duplicated = 0;
+    std::vector<std::string>           root_folders{plugin_dir + "/schema", plugin_dir + "/test"};
 
-    for (auto const& entry : filesystem::recursive_directory_iterator(plugin_dir))
-    {
-        if (filesystem::is_regular_file(entry) and entry.path().extension().string() == ".schema")
+    for (auto root_folder : root_folders)
+        for (auto const& entry : filesystem::recursive_directory_iterator(root_folder))
         {
-            ASSERT_FALSE(schemas_found.count(entry.path().filename().string()));
-            schemas_found.insert(entry.path().filename().string());
+            if (filesystem::is_regular_file(entry) and entry.path().extension().string() == ".schema")
+            {
+                bool duplicated = schemas_found.count(entry.path().filename().string());
+                WOLF_ERROR_COND(duplicated,
+                                "Found duplicated schema file:\n",
+                                entry.path().string(),
+                                "\n",
+                                schemas_found[entry.path().filename().string()])
+                schemas_found[entry.path().filename().string()] = entry.path().string();
+                if (duplicated) n_duplicated++;
+            }
         }
-    }
-
-    WOLF_INFO("Found ", schemas_found.size(), " schema files.");
+    ASSERT_EQ(n_duplicated, 0);
+    WOLF_INFO_COND(n_duplicated == 0, "Found ", schemas_found.size(), " schema files.");
+    WOLF_ERROR_COND(
+        n_duplicated != 0, "Found ", n_duplicated, " duplicated schemas in ", schemas_found.size(), " schema files.");
 }