assertValue (UI Automation - Interrogation)
Compatible with: 
- Purpose
 - Generated from getValue(locator)
 - This command is used to verify if the (white space-trimmed) value of an input field (or anything else with a value parameter) matches the pattern given in Value.
 - For checkbox/radio elements, the value will be "on" or "off" depending on whether the element is checked or not.
 - Syntax
 - assertValue(locator, pattern)
 - Target
 - locator
 - Value
 - pattern
 - Return Value
 - Element value, or "on/off" for checkbox/radio elements.