diff --git a/kernel/sparkex/src/test/java/com/twosigma/beakerx/scala/magic/command/SparkMagicCommandTest.java b/kernel/sparkex/src/test/java/com/twosigma/beakerx/scala/magic/command/SparkMagicCommandTest.java
index 2044197207..e6068f0a71 100644
--- a/kernel/sparkex/src/test/java/com/twosigma/beakerx/scala/magic/command/SparkMagicCommandTest.java
+++ b/kernel/sparkex/src/test/java/com/twosigma/beakerx/scala/magic/command/SparkMagicCommandTest.java
@@ -125,6 +125,11 @@ public SparkContext sparkContext() {
       public SparkSession.Builder getBuilder() {
         return builder;
       }
+
+      @Override
+      public String getSparkAppId() {
+        return "sparkAppId1";
+      }
     };
   }