Fix imports in tests for moved classes

https://build.spring.io/browse/INT-SI50X-122

Author: artembilan

spring-integration-core/src/test/java/org/springframework/integration/dsl/manualflow/ManualFlowTests.java

@@ -61,7 +61,7 @@
 import org.springframework.integration.config.EnableIntegration;
 import org.springframework.integration.config.EnableIntegrationManagement;
 import org.springframework.integration.config.EnableMessageHistory;
-import org.springframework.integration.config.IntegrationManagementConfigurer;
+import org.springframework.integration.support.management.IntegrationManagementConfigurer;
 import org.springframework.integration.core.MessageProducer;
 import org.springframework.integration.core.MessagingTemplate;
 import org.springframework.integration.dsl.IntegrationFlow;

spring-integration-ftp/src/test/java/org/springframework/integration/ftp/dsl/FtpTests.java

@@ -47,7 +47,7 @@
 import org.springframework.integration.channel.QueueChannel;
 import org.springframework.integration.config.EnableIntegration;
 import org.springframework.integration.config.EnableIntegrationManagement;
-import org.springframework.integration.config.IntegrationManagementConfigurer;
+import org.springframework.integration.support.management.IntegrationManagementConfigurer;
 import org.springframework.integration.core.MessageSource;
 import org.springframework.integration.dsl.IntegrationFlow;
 import org.springframework.integration.dsl.IntegrationFlows;