Add mongodbtest connection string

Need to use a "test" database in the integration side of the testing
Added using statements
Add dependencies to pass GetRouteShouldReturnResponseCodeOk
Added test for GET api/place/skip/2
Added GetByIdRouteShouldReturnResponseCodeOk test
Pass GetRouteShouldReturnNoMoreThenTwentyRecords

Added check to make sure GET api/place/skip/2 doesn't return more then
20 records