Remove unnecessary sleep and increase poll rate (#477)
Remove unnecessary sleep and increase poll rate (#477)

* Remove unnecessary sleep and increase poll rate

* Adds tests for iWorkflow and BIG-IQ

This patch adds remaining tests for iWorkflow and BIG-IQ platforms

* Modifying code to prevent throttling.

hglkrijger/WALinuxAgent,Azure/WALinuxAgent,hglkrijger/WALinuxAgent,rjschwei/WALinuxAgent,rjschwei/WALinuxAgent,Azure/WALinuxAgent,andyliuliming/WALinuxAgent,andyliuliming/WALinuxAgent