Pass all `mllib` module UTs in Scala 2.13

There are 51 Scala test and 3 java test Failed of `mllib` module, the failed case as follow:

Java:

• org.apache.spark.mllib.fpm.JavaPrefixSpanSuite ( 1 FAILED)
• org.apache.spark.ml.feature.JavaVectorIndexerSuite ( 1 FAILED)
• org.apache.spark.ml.feature.JavaWord2VecSuite ( 1 FAILED)

Scala:

• MatrixFactorizationModelSuite ( 1 FAILED)
• LDASuite ( 1 FAILED)
• MLTestSuite ( 1 FAILED)
• PrefixSpanSuite ( 1 FAILED)
• BucketedRandomProjectionLSHSuite ( 3 FAILED)
• Word2VecSuite ( 3 FAILED)
• Word2VecSuite ( 5 FAILED)
• MinHashLSHSuite ( 3 FAILED)
• DecisionTreeSuite ( 1 FAILED)
• FPGrowthSuite ( 2 FAILED)
• NaiveBayesSuite ( 2 FAILED)
• NGramSuite ( 4 FAILED)
• RFormulaSuite ( 4 FAILED)
• GradientBoostedTreesSuite ( 1 FAILED)
• StopWordsRemoverSuite ( 10 FAILED)
• RandomForestSuite ( 1 FAILED)
• PrefixSpanSuite ( 4 FAILED)
• StringIndexerSuite ( 2 FAILED)
• IDFSuite ( 1 FAILED)
• RandomForestRegressorSuite ( 1 FAILED)