Added initial test extension manager
Update README.md
Added test_manifest.json
Update README.md
Merge pull request #30 from ayshsandu/master

Added TestNG extension
Fixed issue with merging Ayesha s ESServerExtension changes
Added Ayeshas comment to indicate thread sleep
Update README.md
Merge pull request #32 from ayshsandu/master

Store Fixes
Added sample to test extension model
Merge branch 'master' of https://github.com/wso2-dev/product-es
Added initial folder structure for storing selenium ui tests and generated class
resolve merge conflict
refactor
moved extension tests to new module