Asserts if the value of a given site catalyst variable map key is as expected in the given map. 

*Example:*
| Navigate To | http:foo.bar.com/page1 |
| Delay | 1000 | # add/remove whenever needed |
| ${loadEventMap}= | Get Map Of Site Catalyst Variables |		
| Site Catalyst Variable Map Should Contain | ${loadEventMap} | pageName | foo-bar |