Change:
n.Spec.Taints = taints return n } <ins> // PersistentVolumeClaimWrapper wraps a PersistentVolumeClaim inside. type PersistentVolumeClaimWrapper struct{ v1.PersistentVolumeClaim } // MakePersistentVolumeClaim creates a PersistentVolumeClaim wrapper. func MakePersistentVolumeClaim() *PersistentVolumeClaimWrapper { return &PersistentVolumeClaimWrapper{} } // Obj returns the inner PersistentVolumeClaim. func (p *PersistentVolumeClaimWrapper) Obj() *v1.PersistentVolumeClaim { return &p.PersistentVolumeClaim } // Name sets `s` as the name of the inner PersistentVolumeClaim. func (p *PersistentVolumeClaimWrapper) Name(s string) *PersistentVolumeClaimWrapper { p.SetName(s) return p } // Namespace sets `s` as the namespace of the inner PersistentVolumeClaim. func (p *PersistentVolumeClaimWrapper) Namespace(s string) *PersistentVolumeClaimWrapper { p.SetNamespace(s) return p } // Annotation sets a {k,v} pair to the inner PersistentVolumeClaim. func (p *PersistentVolumeClaimWrapper) Annotation(key, value string) *PersistentVolumeClaimWrapper { metav1.SetMetaDataAnnotation(&p.ObjectMeta, key, value) return p } // VolumeName sets `name` as the volume name of the inner // PersistentVolumeClaim. func (p *PersistentVolumeClaimWrapper) VolumeName(name string) *PersistentVolumeClaimWrapper { p.PersistentVolumeClaim.Spec.VolumeName = name return p } // AccessModes sets `accessModes` as the access modes of the inner // PersistentVolumeClaim. func (p *PersistentVolumeClaimWrapper) AccessModes(accessModes []v1.PersistentVolumeAccessMode) *PersistentVolumeClaimWrapper { p.PersistentVolumeClaim.Spec.AccessModes = accessModes return p } // Resources sets `resources` as the resource requirements of the inner // PersistentVolumeClaim. func (p *PersistentVolumeClaimWrapper) Resources(resources v1.ResourceRequirements) *PersistentVolumeClaimWrapper { p.PersistentVolumeClaim.Spec.Resources = resources return p } // PersistentVolumeWrapper wraps a PersistentVolume inside. type PersistentVolumeWrapper struct{ v1.PersistentVolume } // MakePersistentVolume creates a PersistentVolume wrapper. func MakePersistentVolume() *PersistentVolumeWrapper { return &PersistentVolumeWrapper{} } // Obj returns the inner PersistentVolume. func (p *PersistentVolumeWrapper) Obj() *v1.PersistentVolume { return &p.PersistentVolume } // Name sets `s` as the name of the inner PersistentVolume. func (p *PersistentVolumeWrapper) Name(s string) *PersistentVolumeWrapper { p.SetName(s) return p } // AccessModes sets `accessModes` as the access modes of the inner // PersistentVolume. func (p *PersistentVolumeWrapper) AccessModes(accessModes []v1.PersistentVolumeAccessMode) *PersistentVolumeWrapper { p.PersistentVolume.Spec.AccessModes = accessModes return p } // Capacity sets `capacity` as the resource list of the inner PersistentVolume. func (p *PersistentVolumeWrapper) Capacity(capacity v1.ResourceList) *PersistentVolumeWrapper { p.PersistentVolume.Spec.Capacity = capacity return p } // HostPathVolumeSource sets `src` as the host path volume source of the inner // PersistentVolume. func (p *PersistentVolumeWrapper) HostPathVolumeSource(src *v1.HostPathVolumeSource) *PersistentVolumeWrapper { p.PersistentVolume.Spec.HostPath = src return p } </ins>

Discussion:
We need an integration test for the scheduler enforcement of the alpha feature. This is required for beta graduation; we need to collect signal on the current behavior before we can proceed. See this comment for context:
/sig storage /sig scheduler
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/sig scheduling