diff --git a/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/StringUtilsTest.java b/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/StringUtilsTest.java
index 26999d62..b2cad605 100644
--- a/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/StringUtilsTest.java
+++ b/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/StringUtilsTest.java
@@ -78,6 +78,20 @@ class StringUtilsTest extends BaseTest
 
 
 
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void test_safeAppend()
+   {
+      assertEquals("Foo", StringUtils.safeAppend("Foo", null));
+      assertEquals("Foo", StringUtils.safeAppend(null, "Foo"));
+      assertEquals("FooBar", StringUtils.safeAppend("Foo", "Bar"));
+      assertEquals("", StringUtils.safeAppend(null, null));
+   }
+
+
+
    /*******************************************************************************
     **
     *******************************************************************************/