Fix golint issues in pkg/util/sysctl/testing

Author: hvaara

hack/.golint_failures

@@ -234,7 +234,6 @@ pkg/util/procfs
 pkg/util/removeall
 pkg/util/rlimit
 pkg/util/selinux
-pkg/util/sysctl/testing
 pkg/util/taints
 pkg/volume
 pkg/volume/azure_dd

pkg/util/sysctl/testing/fake.go

@@ -22,30 +22,31 @@ import (
 	"k8s.io/kubernetes/pkg/util/sysctl"
 )
 
-// fake is a map-backed implementation of sysctl.Interface, for testing/mocking
-type fake struct {
+// Fake is a map-backed implementation of sysctl.Interface, for testing/mocking.
+type Fake struct {
 	Settings map[string]int
 }
 
-func NewFake() *fake {
-	return &fake{
+// NewFake creates a fake sysctl implementation.
+func NewFake() *Fake {
+	return &Fake{
 		Settings: make(map[string]int),
 	}
 }
 
-// GetSysctl returns the value for the specified sysctl setting
-func (m *fake) GetSysctl(sysctl string) (int, error) {
+// GetSysctl returns the value for the specified sysctl setting.
+func (m *Fake) GetSysctl(sysctl string) (int, error) {
 	v, found := m.Settings[sysctl]
 	if !found {
 		return -1, os.ErrNotExist
 	}
 	return v, nil
 }
 
-// SetSysctl modifies the specified sysctl flag to the new value
-func (m *fake) SetSysctl(sysctl string, newVal int) error {
+// SetSysctl modifies the specified sysctl flag to the new value.
+func (m *Fake) SetSysctl(sysctl string, newVal int) error {
 	m.Settings[sysctl] = newVal
 	return nil
 }
 
-var _ = sysctl.Interface(&fake{})
+var _ = sysctl.Interface(&Fake{})