code: def validate_write_access(connection):
      
      test_table = "test_table_{}".format(uuid4()).replace("-", "")   # '-' is not valid
      create_plugin(test_table, connection)
      RPX.table(test_table).insert({"test": "data"}).run(connection)
      destroy_plugin(test_table, connection)
      return True
docs: verifies connection can write to rethink by:
          1. Creating a test table
          2. Adding a document to that table
          3. destroying the test table
  
      :param connection: <rethinkdb.net.DefaultConnection>
      :return: <bool> True
      :raises: Reql*Error