You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: period_test.go
    path of file: ./repos/storj/private/compensation
    
    the code of the file until where you have to start completion: // Copyright (C) 2021 Storj Labs, Inc.
// See LICENSE for copying information.

package compensation

import (
	"testing"
	"time"

	"github.com/stretchr/tes
    
func TestPeriod(t *testing.T) {
	for _, tt := range []struct {
		year      int
		month     time.Month
		startDate string
		endDate   string
		days      int
	}{
		{year: 2019, month: 1, startDate: "2019-01-01", endDate: "2019-02-01", days: 31},
		{year: 2019, month: 2, startDate: "2019-02-01", endDate: "2019-03-01", days: 28},
		{year: 2019, month: 3, startDate: "2019-03-01", endDate: "2019-04-01", days: 31},
		{year: 2019, month: 4, startDate: "2019-04-01", endDate: "2019-05-01", days: 30},
		{year: 2019, month: 5, startDate: "2019-05-01", endDate: "2019-06-01", days: 31},
		{year: 2019, month: 6, startDate: "2019-06-01", endDate: "2019-07-01", days: 30},
		{year: 2019, month: 7, startDate: "2019-07-01", endDate: "2019-08-01", days: 31},
		{year: 2019, month: 8, startDate: "2019-08-01", endDate: "2019-09-01", days: 31},
		{year: 2019, month: 9, startDate: "2019-09-01", endDate: "2019-10-01", days: 30},
		{year: 2019, month: 10, startDate: "2019-10-01", endDate: "2019-11-01", days: 31},
		{year: 2019, month: 11, startDate: "2019-11-01", endDate: "2019-12-01", days: 30},
		{year: 2019, month: 12, startDate: "2019-12-01", endDate: "2020-01-01", days: 31},
		// leap year/month
		{year: 2020, month: 2, startDate: "2020-02-01", endDate: "2020-03-01", days: 29},
	} {
		t.Logf("year:%d month:%d startDate:%s endDate:%s days:%d", tt.year, tt.month, tt.startDate, tt.endDate, tt.days)

		period := Period{Year: tt.year, Month: tt.month}
		assert.Equal(t, tt.startDate, period.StartDate().Format("2006-01-02"))
		assert.Equal(t, tt.endDate, period.EndDateExclusive().Format("2006-01-02"))
	}
}