diff --git a/module/spring-boot-jms/build.gradle b/module/spring-boot-jms/build.gradle
index fb48d8cb8d2..16a02d368b7 100644
--- a/module/spring-boot-jms/build.gradle
+++ b/module/spring-boot-jms/build.gradle
@@ -48,3 +48,7 @@ dependencies {
 
 	testRuntimeOnly("ch.qos.logback:logback-classic")
 }
+
+tasks.named("compileTestJava") {
+	options.nullability.checking = "tests"
+}
diff --git a/module/spring-boot-jms/src/test/java/org/springframework/boot/jms/ConnectionFactoryUnwrapperTests.java b/module/spring-boot-jms/src/test/java/org/springframework/boot/jms/ConnectionFactoryUnwrapperTests.java
index 70c547c4a4d..f97ef9313f5 100644
--- a/module/spring-boot-jms/src/test/java/org/springframework/boot/jms/ConnectionFactoryUnwrapperTests.java
+++ b/module/spring-boot-jms/src/test/java/org/springframework/boot/jms/ConnectionFactoryUnwrapperTests.java
@@ -137,7 +137,9 @@ class ConnectionFactoryUnwrapperTests {
 		}
 
 		private ConnectionFactory unwrap(ConnectionFactory connectionFactory) {
-			return ConnectionFactoryUnwrapper.unwrap(connectionFactory);
+			ConnectionFactory unwrapped = ConnectionFactoryUnwrapper.unwrap(connectionFactory);
+			assertThat(unwrapped).isNotNull();
+			return unwrapped;
 		}
 
 	}