diff --git a/solr/core/src/test/org/apache/solr/core/ResourceLoaderTest.java b/solr/core/src/test/org/apache/solr/core/ResourceLoaderTest.java
index 8ab9606a7b8..785195acea5 100644
--- a/solr/core/src/test/org/apache/solr/core/ResourceLoaderTest.java
+++ b/solr/core/src/test/org/apache/solr/core/ResourceLoaderTest.java
@@ -72,7 +72,8 @@ public class ResourceLoaderTest extends SolrTestCaseJ4 {
     
     Class<?> clazz = ResourceLoaderAware.class;
     // Check ResourceLoaderAware valid objects
-    assertAwareCompatibility(clazz, new NGramFilterFactory(new HashMap<>()));
+    //noinspection unchecked
+    assertAwareCompatibility(clazz, new NGramFilterFactory(map("minGramSize", "1", "maxGramSize", "2")));
     assertAwareCompatibility(clazz, new KeywordTokenizerFactory(new HashMap<>()));
     
     // Make sure it throws an error for invalid objects
@@ -98,8 +99,9 @@ public class ResourceLoaderTest extends SolrTestCaseJ4 {
     assertAwareCompatibility(clazz, new JSONResponseWriter());
     
     // Make sure it throws an error for invalid objects
+    //noinspection unchecked
     invalid = new Object[] {
-        new NGramFilterFactory(new HashMap<>()),
+        new NGramFilterFactory(map("minGramSize", "1", "maxGramSize", "2")),
         "hello",  new Float( 12.3f ),
         new KeywordTokenizerFactory(new HashMap<>())
     };