[2/2] spark git commit: [SPARK-22915][MLLIB] Streaming tests for spark.ml.feature, from N to Z

[SPARK-22915][MLLIB] Streaming tests for spark.ml.feature, from N to Z # What changes were proposed in this pull request? Adds structured streaming tests using testTransformer for these suites: - NGramSuite - NormalizerSuite - OneHotEncoderEstimatorSuite - OneHotEncoderSuite - PCASuite -

[2/2] spark git commit: [SPARK-22915][MLLIB] Streaming tests for spark.ml.feature, from N to Z

[SPARK-22915][MLLIB] Streaming tests for spark.ml.feature, from N to Z # What changes were proposed in this pull request? Adds structured streaming tests using testTransformer for these suites: - NGramSuite - NormalizerSuite - OneHotEncoderEstimatorSuite - OneHotEncoderSuite - PCASuite -