def METHOD_NAME(load_plugins):
    """Load plugins from test data."""
    for provider in ("Provider1", "Provider2"):
        check.is_in(provider, TILookup.CUSTOM_PROVIDERS)
        check.is_true(issubclass(TILookup.CUSTOM_PROVIDERS[provider], TIProvider))
    check.is_true(issubclass(TILookup.CUSTOM_PROVIDERS["Provider2"], TIProvider))
    check.is_in("ContextProviderTest", ContextLookup.CUSTOM_PROVIDERS)
    check.is_true(
        issubclass(
            ContextLookup.CUSTOM_PROVIDERS["ContextProviderTest"], ContextProvider
        )
    )
    for provider in ("CustomDataProvA", "SQLTestProvider", "SQLProdProvider"):
        check.is_in(provider, drivers.CUSTOM_PROVIDERS)
        check.is_true(issubclass(drivers.CUSTOM_PROVIDERS[provider], DriverBase))