class_docstr: Test that plugins are working.
docstr: Test that readers can be loaded from plugin entry points.
docstr_tok: ["Test","that","readers","can","be","loaded","from","plugin","entry","points","."]
code: def test_plugin_reader_configs(
      self, fake_reader_plugin_etc_path, specified_reader
  ):
      """Test that readers can be loaded from plugin entry points."""
      from satpy.readers import configs_for_reader
  
      reader_yaml_path = (
          fake_reader_plugin_etc_path / "readers" / "fake_reader.yaml"
      )
      self._get_and_check_reader_writer_configs(
          specified_reader, configs_for_reader, reader_yaml_path
      )
  
imports: from __future__ import annotations
  import contextlib
  import os
  import sys
  import unittest
  from importlib.metadata import EntryPoint
  from pathlib import Path
  from typing import Callable, Iterator
  from unittest import mock
  import pytest
  import satpy
  from satpy import DatasetDict
  from satpy._config import cached_entry_point
  from satpy.composites.config_loader import load_compositor_configs_for_sensors
label_desc: Use image node_id 4 for calling the TestPluginsConfigs obj's underlying member method code with example usage: obj.test_plugin_reader_configs(fake_reader_plugin_etc_path, specified_reader) without return types