Addressed comments

Author: liyinan926

integration-test/src/test/scala/org/apache/spark/deploy/k8s/integrationtest/KubernetesSuite.scala

@@ -251,7 +251,7 @@ private[spark] object KubernetesSuite {
   val TEST_SECRET_NAME = "test-secret"
   val TEST_SECRET_KEY = "test-key"
   val TEST_SECRET_VALUE = "test-data"
-  val TEST_SECRET_MOUNT_PATH = "/wtc/secrets"
+  val TEST_SECRET_MOUNT_PATH = "/etc/secrets"
 
   case object ShuffleNotReadyException extends Exception
 }

integration-test/src/test/scala/org/apache/spark/deploy/k8s/integrationtest/KubernetesTestComponents.scala

@@ -47,7 +47,7 @@ private[spark] class KubernetesTestComponents(defaultClient: DefaultKubernetesCl
       val namespaceList = defaultClient
         .namespaces()
         .list()
-        .getItems()
+        .getItems
         .asScala
       require(!namespaceList.exists(_.getMetadata.getName == namespace))
     }
@@ -61,6 +61,8 @@ private[spark] class KubernetesTestComponents(defaultClient: DefaultKubernetesCl
         System.getProperty("spark.docker.test.driverImage", "spark-driver:latest"))
       .set("spark.kubernetes.executor.container.image",
         System.getProperty("spark.docker.test.executorImage", "spark-executor:latest"))
+      .set("spark.kubernetes.initContainer.image",
+        System.getProperty("spark.docker.test.initContainerImage", "spark-init-container:latest"))
       .set("spark.executor.memory", "500m")
       .set("spark.executor.cores", "1")
       .set("spark.executors.instances", "1")

integration-test/src/test/scala/org/apache/spark/deploy/k8s/integrationtest/docker/SparkDockerImageBuilder.scala

@@ -28,7 +28,7 @@ import org.apache.spark.deploy.k8s.integrationtest.constants.SPARK_DISTRO_PATH
 import org.apache.spark.deploy.k8s.integrationtest.Logging
 
 private[spark] class SparkDockerImageBuilder
-  (private val dockerEnv: Map[String, String]) extends Logging{
+  (private val dockerEnv: Map[String, String]) extends Logging {
 
   private val DOCKER_BUILD_PATH = SPARK_DISTRO_PATH
   // Dockerfile paths must be relative to the build path.