[PDI-12257] - Generate Row Step Does not take parameter when connected to repository
[PDI-12257] - Generate Row Step Does not take parameter when connected to repository (Test)
Merge pull request #637 from SergeyTravin/PDI-12257

Pdi 12257
[TEST][CLEANUP] - Adding unit tests for UnivariateStatsMeta, UnivariateStatsMetaFunction, adding generic getter setter test framework, added load json functionality to test memory repository, using .equals to compare strings, actually overriding readRep, adding @Override annotations
Merge pull request #640 from brosander/univariate-cleanup-rebase

[TEST][CLEANUP] - Adding unit tests for UnivariateStatsMeta, UnivariateS...