Update the unit test and move integration test under test folder.
Update retry logic by switching to AWS's default retry.
Signed-off-by: Tao Jiang <taoj@vmware.com>
1. No functional change just upgrade to go1.11.
2. Add go mod support.
3. Make vendored copy of dependencies
Test
1. hmake
2. run worker_test.go in GoLand IDE