diff --git a/config-model/src/test/java/ConfigModelTest.java b/config-model/src/test/java/ConfigModelTest.java
index b8f4de7c3cc..a878f1e295f 100644
--- a/config-model/src/test/java/ConfigModelTest.java
+++ b/config-model/src/test/java/ConfigModelTest.java
@@ -73,6 +73,18 @@ public void testIntValidation() {
         assertThat(cm.validate("test", "2"), is(List.of("test has value 2 which greater than the maximum value 1")));
     }
 
+    @Test
+    public void testIntPatternValidation() {
+        ConfigModel cm = new ConfigModel();
+        cm.setType(Type.INT);
+        cm.setPattern("1|2|3");
+        assertThat(cm.validate("test", "1"), is(emptyList()));
+        assertThat(cm.validate("test", "2"), is(emptyList()));
+        assertThat(cm.validate("test", "3"), is(emptyList()));
+        assertThat(cm.validate("test", "4"),
+                is(List.of("test has value '4' which does not match the required pattern: 1|2|3")));
+    }
+
     @Test
     public void testLongValidation() {
         ConfigModel cm = new ConfigModel();