Upgraded versions and fixed test

This commit upgrades the versions to the latest and greatest as well as
removes the custom implementation of a TaskLauncher.

spring-cloud-task-samples/tasksink/src/test/java/io/spring/configuration/TaskSinkConfiguration.java

@@ -16,13 +16,12 @@
 
 package io.spring.configuration;
 
-import org.springframework.cloud.deployer.spi.core.AppDeploymentRequest;
-import org.springframework.cloud.deployer.spi.task.LaunchState;
 import org.springframework.cloud.deployer.spi.task.TaskLauncher;
-import org.springframework.cloud.deployer.spi.task.TaskStatus;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import static org.mockito.Mockito.mock;
+
 /**
  * @author Glenn Renfro
  */
@@ -31,38 +30,7 @@ public class TaskSinkConfiguration {
 
 	@Bean
 	public TaskLauncher taskLauncher() {
-		return new TestTaskLauncher();
-	}
-
-	public class TestTaskLauncher implements TaskLauncher {
-
-		public static final String LAUNCH_ID = "TEST_LAUNCH_ID";
-
-		private LaunchState state = LaunchState.unknown;
-
-		@Override
-		public String launch(AppDeploymentRequest request) {
-			state = LaunchState.complete;
-			return null;
-		}
-
-		@Override
-		public void cancel(String id) {
-
-		}
-
-		@Override
-		public TaskStatus status(String id) {
-			String taskLaunchId = LAUNCH_ID;
-			TaskStatus taskStatus = new TaskStatus(taskLaunchId, state, null);
-			return taskStatus;
-		}
-
-		@Override
-		public void cleanup(String id) {}
-
-		@Override
-		public void destroy(String appName) {}
+		return mock(TaskLauncher.class);
 	}
 
 }