@Test
    public void testIsNotBlankEmply() {
        assertFalse(CommonHelper.isNotBlank(Pac4jConstants.EMPTY_STRING));
    }
This class tests the {@link CommonHelper} class.

@author Jerome Leleu
@since 1.4.0
pac4j-core/src/test/java/org/pac4j/core/util/CommonHelperTests.java