rfac: change conn to http from tcp in long_conn e2e test and added delay btw requests

Signed-off-by: Yash Patel <[email protected]>

Author: yp969803

test/e2e/baseline_test.go

@@ -827,20 +827,22 @@ func TestLongConnL4Telemetry(t *testing.T) {
 					localDst := dst
 					localSrc := src
 					opt := echo.CallOptions{
-						Port:                    echo.Port{Name: "tcp"},
+						Port:                    echo.Port{Name: "http"},
 						Scheme:                  scheme.TCP,
-						Count:                   10,
+						Count:                   20,
 						Timeout:                 time.Second,
 						Check:                   check.OK(),
+						HTTP:                    echo.HTTP{Path: "/?delay=3s"},
 						To:                      localDst,
 						NewConnectionPerRequest: false,
 					}
 
+					go localSrc.CallOrFail(stc, opt)
+
 					query := buildL4Query(localSrc, localDst, "kmesh_tcp_sent_bytes_total")
 					stc.Logf("prometheus query: %#v", query)
 					err := retry.Until(func() bool {
 						stc.Logf("sending call from %q to %q", deployName(localSrc), localDst.Config().Service)
-						localSrc.CallOrFail(stc, opt)
 						reqs, err := prom.QuerySum(localSrc.Config().Cluster, query)
 						if err != nil {
 							stc.Logf("could not query for traffic from %q to %q: %v", deployName(localSrc), localDst.Config().Service, err)
@@ -856,6 +858,7 @@ func TestLongConnL4Telemetry(t *testing.T) {
 						PromDiff(t, prom, localSrc.Config().Cluster, query)
 						stc.Errorf("could not validate L4 telemetry for %q to %q: %v", deployName(localSrc), localDst.Config().Service, err)
 					}
+					time.Sleep(60 * time.Second)
 				})
 			}
 		}

test/e2e/run_test.sh

@@ -298,5 +298,4 @@ if [[ -n "${CLEANUP_REGISTRY}" ]]; then
     cleanup_docker_registry
 fi
 
-rm -rf "${TMP}"
- 
+rm -rf "${TMP}"