diff --git a/modules/openapi-generator/src/test/java/org/openapitools/codegen/languages/features/DocumentationProviderFeaturesTest.java b/modules/openapi-generator/src/test/java/org/openapitools/codegen/languages/features/DocumentationProviderFeaturesTest.java
index 42e29ccbe516..0954e79fb3a9 100644
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/languages/features/DocumentationProviderFeaturesTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/languages/features/DocumentationProviderFeaturesTest.java
@@ -6,8 +6,10 @@
 import java.util.stream.Collectors;
 import org.openapitools.codegen.languages.features.DocumentationProviderFeatures.AnnotationLibrary;
 import org.openapitools.codegen.languages.features.DocumentationProviderFeatures.DocumentationProvider;
+import org.testng.Assert;
 import org.testng.annotations.Test;
 
+// Tests are not final, methods currently just generate documentation as MD tables.
 public class DocumentationProviderFeaturesTest {
 
   @Test(priority = 0)
@@ -27,8 +29,7 @@ void generateDocumentationProviderTable() {
             .collect(Collectors.joining(", "))
     )));
     sb.append("\n");
-
-    System.out.println(sb);
+    Assert.assertTrue(sb.toString().contains("none"));
   }
 
   @Test(priority = 1)
@@ -43,8 +44,7 @@ void generateAnnotationLibraryTable() {
         dp.getDescription(),
         dp.getPropertyName()
     )));
+    Assert.assertTrue(sb.toString().contains("none"));
     sb.append("\n");
-
-    System.out.println(sb);
   }
 }
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