[SPARK-37951][MLLIB][K8S] Move test file from ../data/ to corresponding module's resource folder

### What changes were proposed in this pull request?
Move test file form `data/` dir to corresponding module's resource folder

1. move  `../data/mllib/images/partitioned` to mllib's `resources/inages/partitioned`
2. move `../data/mllib/iris_libsvm.txt`  to mllib's `resources/iris_libsvm.txt`
3. copy `data/mllib/pagerank_data.txt` to  kubenets-integration-test's `resources/pagerank_data.txt`

### Why are the changes needed?
Refactor code to avoid test failure

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
Existed UT

Closes apache#35237 from AngersZhuuuu/SPARK-37951.

Authored-by: Angerszhuuuu <[email protected]>
Signed-off-by: Wenchen Fan <[email protected]>

Author: AngersZhuuuu

mllib/src/main/scala/org/apache/spark/ml/source/image/ImageDataSource.scala

@@ -37,12 +37,12 @@ package org.apache.spark.ml.source.image
  *   // Scala
  *   val df = spark.read.format("image")
  *     .option("dropInvalid", true)
- *     .load("data/mllib/images/partitioned")
+ *     .load("/path/to/images")
  *
  *   // Java
  *   Dataset<Row> df = spark.read().format("image")
  *     .option("dropInvalid", true)
- *     .load("data/mllib/images/partitioned");
+ *     .load("/path/to/images");
  * }}}
  *
  * Image data source supports the following options:

data/mllib/images/partitioned/cls=kittens/date=2018-01/29.5.a_b_EGDP022204.jpg renamed to mllib/src/test/resources/images/partitioned/cls=kittens/date=2018-01/29.5.a_b_EGDP022204.jpg

@@ -40,7 +40,7 @@ class ClusteringEvaluatorSuite
 
   override def beforeAll(): Unit = {
     super.beforeAll()
-    irisDataset = spark.read.format("libsvm").load("../data/mllib/iris_libsvm.txt")
+    irisDataset = spark.read.format("libsvm").load(getTestResourcePath("iris_libsvm.txt"))
     val datasets = MLTestingUtils.generateArrayFeatureDataset(irisDataset)
     newIrisDataset = datasets._1
     newIrisDatasetD = datasets._2

data/mllib/images/partitioned/cls=kittens/date=2018-01/not-image.txt renamed to mllib/src/test/resources/images/partitioned/cls=kittens/date=2018-01/not-image.txt

@@ -29,8 +29,7 @@ import org.apache.spark.sql.functions.{col, substring_index}
 class ImageFileFormatSuite extends SparkFunSuite with MLlibTestSparkContext {
 
   // Single column of images named "image"
-  private lazy val imagePath = "../data/mllib/images/partitioned"
-  private lazy val recursiveImagePath = "../data/mllib/images"
+  private lazy val imagePath = getTestResourcePath("images/partitioned")
 
   test("Smoke test: create basic ImageSchema dataframe") {
     val origin = "path"

data/mllib/images/partitioned/cls=kittens/date=2018-02/54893.jpg renamed to mllib/src/test/resources/images/partitioned/cls=kittens/date=2018-02/54893.jpg

@@ -0,0 +1,6 @@
+1 2
+1 3
+1 4
+2 1
+3 1
+4 1

data/mllib/images/partitioned/cls=kittens/date=2018-02/DP153539.jpg renamed to mllib/src/test/resources/images/partitioned/cls=kittens/date=2018-02/DP153539.jpg

@@ -22,7 +22,7 @@ import io.fabric8.kubernetes.api.model.Pod
 import org.scalatest.concurrent.Eventually
 import org.scalatest.matchers.should.Matchers._
 
-import org.apache.spark.TestUtils
+import org.apache.spark.{SparkFunSuite, TestUtils}
 import org.apache.spark.launcher.SparkLauncher
 
 private[spark] trait BasicTestsSuite { k8sSuite: KubernetesSuite =>
@@ -126,11 +126,11 @@ private[spark] trait BasicTestsSuite { k8sSuite: KubernetesSuite =>
   }
 }
 
-private[spark] object BasicTestsSuite {
+private[spark] object BasicTestsSuite extends SparkFunSuite {
   val SPARK_PAGE_RANK_MAIN_CLASS: String = "org.apache.spark.examples.SparkPageRank"
   val CONTAINER_LOCAL_FILE_DOWNLOAD_PATH = "/var/spark-data/spark-files"
   val CONTAINER_LOCAL_DOWNLOADED_PAGE_RANK_DATA_FILE =
      s"$CONTAINER_LOCAL_FILE_DOWNLOAD_PATH/pagerank_data.txt"
-  val REMOTE_PAGE_RANK_DATA_FILE = "data/mllib/pagerank_data.txt"
+  val REMOTE_PAGE_RANK_DATA_FILE = getTestResourcePath("pagerank_data.txt")
   val REMOTE_PAGE_RANK_FILE_NAME = "pagerank_data.txt"
 }