Connection not closed when database name is incorrect #173 fix #347

	name: pr-validation

	on:
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: ['1.19','1.20']
	sqlImage: ['2019-latest','2022-latest']
	steps:
	- uses: actions/checkout@v2
	- name: Setup go
	uses: actions/setup-go@v2
	with:
	go-version: '${{ matrix.go }}'
	- name: Run tests against Linux SQL
	run: \|
	go version
	export SQLCMDPASSWORD=$(date +%s\|sha256sum\|base64\|head -c 32)
	export SQLCMDUSER=sa
	export SQLUSER=sa
	export SQLPASSWORD=$SQLCMDPASSWORD
	export DATABASE=test
	docker run -m 2GB -e ACCEPT_EULA=1 -d --name sqlserver -p:1433:1433 -e SA_PASSWORD=$SQLCMDPASSWORD mcr.microsoft.com/mssql/server:${{ matrix.sqlImage }}
	sleep 10
	sqlcmd -Q "CREATE DATABASE test"
	go test -v ./...

Provide feedback