do not use github.com/stretchr/testify #93

	name: Test
	on: [push, pull_request]
	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go:
	- "1"
	- "1.20"
	- "1.19"
	- "1.18"
	- "1.17"
	- "1.16"
	- "1.15"
	- "1.14"
	- "1.13"

	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v3

	- name: Set up Go ${{ matrix.go }}
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go }}

	- name: Test
	run: go test -v ./...

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