tests: add ginko panic recovery to retry policy e2e

Cleanup will be skipped and test will exit bypassing cleanup
if a different context goroutine panics or asserts without
deferring the ginkgo recover function.

Related to openservicemesh#3119

Signed-off-by: jaellio <[email protected]>

Author: jaellio

tests/e2e/e2e_retry_policy_test.go

@@ -125,6 +125,7 @@ var _ = OSMDescribe("Test Retry Policy",
 
 					By("A request that will be retried NumRetries times then fail")
 					err = wait.Poll(time.Second*3, time.Second*30, func() (bool, error) {
+						defer GinkgoRecover()
 						result := Td.HTTPRequest(req)
 
 						stdout, stderr, err := Td.RunLocal(filepath.FromSlash("../../bin/osm"), "proxy", "get", "stats", clientPod.Name, "--namespace", client)