Tweaks after merge.

Author: Marcelo Vanzin

resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/PodTemplateConfigMapStep.scala

@@ -54,11 +54,11 @@ private[spark] class PodTemplateConfigMapStep(
     SparkPod(podWithVolume, containerWithVolume)
   }
 
-  def getAdditionalPodSystemProperties(): Map[String, String] = Map[String, String](
+  override def getAdditionalPodSystemProperties(): Map[String, String] = Map[String, String](
     KUBERNETES_EXECUTOR_PODTEMPLATE_FILE.key ->
       (EXECUTOR_POD_SPEC_TEMPLATE_MOUNTPATH + "/" + EXECUTOR_POD_SPEC_TEMPLATE_FILE_NAME))
 
-  def getAdditionalKubernetesResources(): Seq[HasMetadata] = {
+  override def getAdditionalKubernetesResources(): Seq[HasMetadata] = {
     require(conf.get(KUBERNETES_EXECUTOR_PODTEMPLATE_FILE).isDefined)
     val podTemplateFile = conf.get(KUBERNETES_EXECUTOR_PODTEMPLATE_FILE).get
     val podTemplateString = Files.toString(new File(podTemplateFile), StandardCharsets.UTF_8)

resource-managers/kubernetes/core/src/test/scala/org/apache/spark/deploy/k8s/features/PodTemplateConfigMapStepSuite.scala

@@ -48,7 +48,6 @@ class PodTemplateConfigMapStepSuite extends SparkFunSuite with BeforeAndAfter {
       Map.empty,
       Map.empty,
       Nil,
-      Seq.empty[String],
       Option.empty)
     templateFile = Files.createTempFile("pod-template", "yml").toFile
     templateFile.deleteOnExit()

resource-managers/kubernetes/core/src/test/scala/org/apache/spark/deploy/k8s/submit/KubernetesDriverBuilderSuite.scala

@@ -187,15 +187,14 @@ class KubernetesDriverBuilderSuite extends SparkFunSuite {
       Map.empty,
       Map.empty,
       Nil,
-      Seq.empty[String],
       Option.empty)
     validateStepTypesApplied(
       builderUnderTest.buildFromFeatures(conf),
       BASIC_STEP_TYPE,
       CREDENTIALS_STEP_TYPE,
       SERVICE_STEP_TYPE,
       LOCAL_DIRS_STEP_TYPE,
-      JAVA_STEP_TYPE,
+      DRIVER_CMD_STEP_TYPE,
       TEMPLATE_VOLUME_STEP_TYPE)
   }
 
@@ -296,7 +295,6 @@ class KubernetesDriverBuilderSuite extends SparkFunSuite {
       Map.empty,
       Map.empty,
       Nil,
-      Seq.empty[String],
       Option.empty)
     val driverSpec = KubernetesDriverBuilder
       .apply(kubernetesClient, sparkConf)
@@ -329,7 +327,6 @@ class KubernetesDriverBuilderSuite extends SparkFunSuite {
       Map.empty,
       Map.empty,
       Nil,
-      Seq.empty[String],
       Option.empty)
     val exception = intercept[SparkException] {
       KubernetesDriverBuilder

resource-managers/kubernetes/core/src/test/scala/org/apache/spark/scheduler/cluster/k8s/KubernetesExecutorBuilderSuite.scala

@@ -220,7 +220,6 @@ class KubernetesExecutorBuilderSuite extends SparkFunSuite {
       Map.empty,
       Map.empty,
       Nil,
-      Seq.empty[String],
       Option.empty)
     val sparkPod = KubernetesExecutorBuilder
       .apply(kubernetesClient, sparkConf)