support new go.mod #78

	name: unit test
	on:
	# Trigger the workflow on push or pull request,
	# but only for the master branch
	push:
	paths-ignore:
	- '**.md'
	- '**.png'
	pull_request:
	paths-ignore:
	- '**.md'
	- '**.png'
	jobs:
	run:
	name: go test on linux
	strategy:
	matrix:
	go-version: [1.16.x]
	runs-on: ubuntu-latest
	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go-version }}
	# This step checks out a copy of your repository.
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Go test
	env:
	GOVERSION: ${{ matrix.go-version }}
	run: \|
	make test
	bash <(curl -s https://codecov.io/bash) -F unittest-$GOVERSION

Provide feedback