add endpoint to socketmode Clinet and OptionAPIURL function #589

	name: Test

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	ci:
	runs-on: ubuntu-latest
	name: lint
	steps:
	- uses: actions/checkout@v2
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v2
	with:
	version: v1.32
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go:
	- '1.12'
	- '1.13'
	- '1.14'
	- '1.15'
	name: test go-${{ matrix.go }}
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go }}
	- name: run test
	run: go test -v -race ./...
	env:
	GO111MODULE: on

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