async def METHOD_NAME(monkeypatch, jp_environ):
    serverapp = MockExtensionApp.initialize_server()
    exts = serverapp.extension_manager.extensions
    assert "tests.extension.mockextensions.mock1" in exts
    assert "tests.extension.mockextensions" in exts
    exts = serverapp.jpserver_extensions
    assert exts["tests.extension.mockextensions.mock1"]
    assert exts["tests.extension.mockextensions"]