Scalastyle fixes (apache-spark-on-k8s#278)

Author: ash211

resource-managers/kubernetes/integration-tests/src/test/scala/org/apache/spark/deploy/kubernetes/integrationtest/KubernetesTestComponents.scala

@@ -95,4 +95,4 @@ private[spark] class KubernetesTestComponents(defaultClient: DefaultKubernetesCl
     val trustManager = SSLUtils.trustManagers(kubernetesConf)(0).asInstanceOf[X509TrustManager]
     HttpClientUtil.createClient[T](Set(url), 5, sslContext.getSocketFactory, trustManager)
   }
-}
+}

resource-managers/kubernetes/integration-tests/src/test/scala/org/apache/spark/deploy/kubernetes/integrationtest/ProcessUtils.scala

@@ -26,9 +26,9 @@ import org.apache.spark.util.Utils
 
 object ProcessUtils extends Logging {
   /**
-    * executeProcess is used to run a command and return the output if it
-    * completes within timeout seconds.
-    */
+   * executeProcess is used to run a command and return the output if it
+   * completes within timeout seconds.
+   */
   def executeProcess(fullCommand: Array[String], timeout: Long): Seq[String] = {
     val pb = new ProcessBuilder().command(fullCommand: _*)
     pb.redirectErrorStream(true)

resource-managers/kubernetes/integration-tests/src/test/scala/org/apache/spark/deploy/kubernetes/integrationtest/constants.scala

@@ -19,4 +19,4 @@ package org.apache.spark.deploy.kubernetes.integrationtest
 package object constants {
   val MINIKUBE_TEST_BACKEND = "minikube"
   val GCE_TEST_BACKEND = "gce"
-}
+}