diff --git a/flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/runtime/stream/sql/FunctionITCase.java b/flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/runtime/stream/sql/FunctionITCase.java
index 79a1f397ac78c..fac413210af63 100644
--- a/flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/runtime/stream/sql/FunctionITCase.java
+++ b/flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/runtime/stream/sql/FunctionITCase.java
@@ -1554,7 +1554,8 @@ void testUsingAddJarWithCheckpointing() throws Exception {
                                         "create function lowerUdf as '%s' LANGUAGE JAVA",
                                         udfClassName)),
                 "drop function lowerUdf");
-        assertThat(contextClassLoader.equals(Thread.currentThread().getContextClassLoader()));
+        assertThat(contextClassLoader.equals(Thread.currentThread().getContextClassLoader()))
+                .isTrue();
     }
 
     @Test