@Test
    public void testLanguage() {
        val locale = (Locale) this.converter.convert("fr");
        assertEquals("fr", locale.getLanguage());
    }
This class tests the {@link LocaleConverter} class.

@author Jerome Leleu
@since 1.0.0
pac4j-core/src/test/java/org/pac4j/core/profile/converter/LocaleConverterTests.java