spark git commit: [MINOR][SPARKR] fix kstest example error and add unit test

Repository: spark Updated Branches: refs/heads/master e104e55c1 -> f2ddabfa0 [MINOR][SPARKR] fix kstest example error and add unit test ## What changes were proposed in this pull request? While adding vignettes for kstest, I found some errors in the example: 1. There is a typo of kstest; 2.

spark git commit: [MINOR][SPARKR] fix kstest example error and add unit test

Repository: spark Updated Branches: refs/heads/branch-2.1 019d1fa3d -> 8ef005931 [MINOR][SPARKR] fix kstest example error and add unit test ## What changes were proposed in this pull request? While adding vignettes for kstest, I found some errors in the example: 1. There is a typo of kstest;