add csi-test to vendor

vendor/github.com/golang/mock/sample/concurrent/mock/concurrent_mock.go

@@ -0,0 +1,45 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/golang/mock/sample/concurrent (interfaces: Math)
+
+// Package mock_concurrent is a generated GoMock package.
+package mock_concurrent
+
+import (
+	gomock "github.com/golang/mock/gomock"
+	reflect "reflect"
+)
+
+// MockMath is a mock of Math interface
+type MockMath struct {
+	ctrl     *gomock.Controller
+	recorder *MockMathMockRecorder
+}
+
+// MockMathMockRecorder is the mock recorder for MockMath
+type MockMathMockRecorder struct {
+	mock *MockMath
+}
+
+// NewMockMath creates a new mock instance
+func NewMockMath(ctrl *gomock.Controller) *MockMath {
+	mock := &MockMath{ctrl: ctrl}
+	mock.recorder = &MockMathMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use
+func (m *MockMath) EXPECT() *MockMathMockRecorder {
+	return m.recorder
+}
+
+// Sum mocks base method
+func (m *MockMath) Sum(arg0, arg1 int) int {
+	ret := m.ctrl.Call(m, "Sum", arg0, arg1)
+	ret0, _ := ret[0].(int)
+	return ret0
+}
+
+// Sum indicates an expected call of Sum
+func (mr *MockMathMockRecorder) Sum(arg0, arg1 interface{}) *gomock.Call {
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Sum", reflect.TypeOf((*MockMath)(nil).Sum), arg0, arg1)
+}