Updated tests so that they use TestSocketUtils instead of SocketUtils

Temporarily disabled tests for remote partition sample until Spring Cloud Deployer Local is fixed

spring-cloud-task-samples/single-step-batch-job/src/test/java/io/spring/BatchJobApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2020 the original author or authors.
+ * Copyright 2020-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,12 +34,12 @@ import org.junit.jupiter.api.Test;
 import org.springframework.batch.test.AssertFile;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.jdbc.DataSourceBuilder;
+import org.springframework.cloud.test.TestSocketUtils;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.FileSystemResource;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.datasource.DriverManagerDataSource;
 import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
-import org.springframework.util.SocketUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -63,7 +63,7 @@ public class BatchJobApplicationTests {
 	private static Server defaultServer;
 
 	static {
-		randomPort = SocketUtils.findAvailableTcpPort();
+		randomPort = TestSocketUtils.findAvailableTcpPort();
 		DATASOURCE_URL = "jdbc:h2:tcp://localhost:" + randomPort
 			+ "/mem:dataflow;DB_CLOSE_DELAY=-1;" + "DB_CLOSE_ON_EXIT=FALSE";
 	}