} else {
		r.SuccessfulRequests += count
	}
}

func (r Result) PercentSuccess() float64 {
	return float64(r.SuccessfulRequests) / float64(r.TotalRequests)
}

// CheckSuccessRate asserts that a minimum success threshold was met.
func (r Result) CheckSuccessRate(t test.Failer, minimumPercent float64) {
	if r.PercentSuccess() < minimumPercent {
		t.Fatalf("Minimum success threshold, %f, was not met. %d/%d (%f) requests failed: %v",

				t.Fatalf("expected post-upgrade container image not to include %q, got %q", fromVersion, c.Image)
			}
		}
	}

	// Stop the traffic generator and get the result.
	g.Stop().CheckSuccessRate(t, successThreshold)
}

// enableDefaultInjection takes a namespaces and relabels it such that it will have a default sidecar injected
func enableDefaultInjection(ns namespace.Instance) error {