* Fix NestedSpringIntegrationTestAnnotationTests for proper @Nullable import

Author: artembilan

spring-integration-test/src/test/java/org/springframework/integration/test/context/NestedSpringIntegrationTestAnnotationTests.java

@@ -16,12 +16,12 @@
 
 package org.springframework.integration.test.context;
 
+import org.jspecify.annotations.Nullable;
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.integration.endpoint.AbstractEndpoint;
-import org.springframework.lang.Nullable;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.NestedTestConfiguration;