OpTestEEH: split sleep(30) out to poll each second for 30 seconds
OpTestEEH: split sleep(30) out to poll each second for 30 seconds

This can significantly reduce run time of tests.

Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

open-power/op-test-framework,open-power/op-test-framework,open-power/op-test-framework