Usages:     validUsages,
		Request:    newCSRPEM(t),
		SignerName: "example.com/something",
	}

	tests := []struct {
		name   string
		newCSR *capi.CertificateSigningRequest
		oldCSR *capi.CertificateSigningRequest
		errs   []string
	}{{
		name:   "no-op",
		newCSR: &capi.CertificateSigningRequest{ObjectMeta: validUpdateMeta, Spec: validSpec},

    // CHECK: "tf.AssignVariableOp"(%[[ACCUM_HANDLE]], %[[NEW_ACCUM]])

    // CHECK: %[[VAR:[0-9]*]] = "tf.ReadVariableOp"(%[[VAR_HANDLE]])
    // CHECK: %[[NEW_VAR:[0-9]*]] = "tf.AddV2"(%[[VAR]], %[[NEW_ACCUM]])
    // CHECK: "tf.AssignVariableOp"(%[[VAR_HANDLE]], %[[NEW_VAR]])

				}
			}
		})
	}
}

// Test helpers

func compareEndpointsMapsStr(t *testing.T, newMap EndpointsMap, expected map[ServicePortName][]*BaseEndpointInfo) {
	t.Helper()
	if len(newMap) != len(expected) {
		t.Fatalf("expected %d results, got %d: %v", len(expected), len(newMap), newMap)
	}
	endpointEqual := func(a, b *BaseEndpointInfo) bool {

	if _, exists := oldMap[scheme]; exists {
		panic("protocol " + scheme + " already registered")
	}
	newMap := make(map[string]RoundTripper)
	for k, v := range oldMap {
		newMap[k] = v
	}
	newMap[scheme] = rt
	t.altProto.Store(newMap)
}

// CloseIdleConnections closes any connections which were previously
// connected from previous requests but are now sitting idle in

				defer close(signalChan)

				buf := make([]byte, 256)
				n, err := client.Read(buf)

				if test.checkRenegotiationError != nil {
					newErr := test.checkRenegotiationError(i, err)
					if err != nil && newErr == nil {
						return
					}
					err = newErr
				}

				if err != nil {
					t.Errorf("Client.Read failed after renegotiation #%d: %s", i, err)
					return
				}

				buf = buf[:n]

// This allows the backend to run concurrently.
var NewPtrCacheEnabled = true

// NewPtr returns the pointer type pointing to t.
func NewPtr(elem *Type) *Type {
	if elem == nil {
		base.Fatalf("NewPtr: pointer to elem Type is nil")
	}

	if t := elem.cache.ptr; t != nil {
		if t.Elem() != elem {
			base.Fatalf("NewPtr: elem mismatch")
		}
		if elem.HasShape() != t.HasShape() {