code: def element_value_should_be(self, locator, expected, strip=False):
  		
  
  		self._info("Verifying element '%s' value is '%s'" % (locator, expected))
  		
  		element = self._element_find(locator, True, True)
  		value = element.get_attribute('value')
  
  		if (strip):
  			value = value.strip()
  		
  		if str(value) == expected:
  			return
  		
  		else:
  			raise AssertionError("Element '%s' value was not '%s', it was '%s'" % (locator, expected, value))
docs: Verifies the element identified by `locator` has the expected value.
  
  		| *Argument* | *Description* | *Example* |
  		| locator | Selenium 2 element locator | id=my_id |
  		| expected | expected value | My Name Is Slim Shady |
  		| strip | Boolean, determines whether it should strip the field's value before comparison or not | ${True} / ${False} |