fix formatting

core/src/test/scala/org/apache/spark/deploy/worker/ExecutorRunnerTest.scala

 package org.apache.spark.deploy.worker
 
+import java.io.File
 import org.scalatest.FunSuite
 import org.apache.spark.deploy.{ExecutorState, Command, ApplicationDescription}
-import java.io.File
 
 class ExecutorRunnerTest extends FunSuite {
 
   test("command includes appId") {
     def f(s:String) = new File(s)
     val sparkHome = sys.props("user.dir")
-    val appDesc = new ApplicationDescription("app name", 8, 500, Command("foo", Seq(),Map()), sparkHome, "appUiUrl")
+    val appDesc = new ApplicationDescription("app name", 8, 500, Command("foo", Seq(),Map()),
+      sparkHome, "appUiUrl")
     val appId = "12345-worker321-9876"
-    val er = new ExecutorRunner(appId, 1, appDesc, 8, 500, null, "blah", "worker321", f(sparkHome), f("ooga"), ExecutorState.RUNNING)
+    val er = new ExecutorRunner(appId, 1, appDesc, 8, 500, null, "blah", "worker321", f(sparkHome),
+      f("ooga"), ExecutorState.RUNNING)
 
     assert(er.buildCommandSeq().last === appId)
   }