@Test(expectedExceptions = ValidationException.class)
@SpecAssertion(section = "5.1.2", id = "d")
public void testUnexpectedType() throws Exception {
String methodName = "getValue";
Object object = new Email();
Method method = Email.class.getMethod( methodName );
Object returnValue = "S";
executableValidator.validateReturnValue( object, method, returnValue );
}