Set one second delay between requests for LC tests

Rise up the delay between requests to make sure both members got the
same number of responses with LC (leastconn) algorithm to avoid the
cases when an instance is slow or overloaded and requests become longer.

Closes-Bug: PRODX-31370
Change-Id: I94c8ad7a240f17c98d564e254becfe4374c73c3d
(cherry picked from commit b6b075d1f65ac7eb5cebbfe602765866f6148280)
1 file changed