fix: fix schema issue with databricks e2e tests

[mhamilton723]

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[mhamilton723]

/azp run

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[mhamilton723]

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[codecov]

Codecov Report

Merging #653 into master will decrease coverage by 8.47%.
The diff coverage is 81.57%.

@@            Coverage Diff             @@
##           master     #653      +/-   ##
==========================================
- Coverage    79.7%   71.23%   -8.48%     
==========================================
  Files         224      224              
  Lines        8965     8975      +10     
  Branches      473      474       +1     
==========================================
- Hits         7146     6393     -753     
- Misses       1819     2582     +763

Impacted Files	Coverage Δ
...ala/com/microsoft/ml/spark/image/UnrollImage.scala	77.65% <100%> (ø)	⬆️
...ain/scala/com/microsoft/ml/spark/stages/udfs.scala	100% <100%> (ø)	⬆️
...microsoft/ml/spark/featurize/text/MultiNGram.scala	95.65% <100%> (ø)	⬆️
...scala/com/microsoft/ml/spark/lime/Superpixel.scala	88.75% <100%> (ø)	⬆️
...cala/com/microsoft/ml/spark/cntk/Conversions.scala	62.96% <50%> (-1.6%)	⬇️
...k/recommendation/RankingTrainValidationSplit.scala	73.87% <50%> (ø)	⬆️
.../scala/com/microsoft/ml/spark/cntk/CNTKModel.scala	83.78% <91.3%> (+1.07%)	⬆️
.../microsoft/ml/spark/cognitive/AzureSearchAPI.scala	2.43% <0%> (-84.15%)	⬇️
...soft/ml/spark/cognitive/CognitiveServiceBase.scala	5.93% <0%> (-78.82%)	⬇️
...m/microsoft/ml/spark/cognitive/TextAnalytics.scala	13.33% <0%> (-72.23%)	⬇️
... and 31 more

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[mhamilton723]

/azp run

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[mhamilton723]

/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

[mhamilton723]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).