Merge pull request #11396 from izeye:string-utils

* pr/11396:
  Remove org.flywaydb.core.internal.util.StringUtils import

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/endpoint/web/documentation/AbstractEndpointDocumentationTests.java

@@ -26,7 +26,6 @@ import java.util.stream.Stream;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
-import org.flywaydb.core.internal.util.StringUtils;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.runner.RunWith;
@@ -50,6 +49,7 @@ import org.springframework.restdocs.operation.preprocess.OperationPreprocessor;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.util.StringUtils;
 import org.springframework.web.context.WebApplicationContext;
 
 /**