PG_CONN_STRING="user=postgres dbname=testfixtures_test sslmode=disable" MYSQL_CONN_STRING="root:@/testfixtures_test?multiStatements=true" SQLITE_CONN_STRING="testdb.sqlite3" SQLSERVER_CONN_STRING="server=localhost\SQLExpress;database=testfixtures_test;user id=sa;password=sqlserver;encrypt=disable"