simplify calls to screenCoordinates() in MercatorProjectionTest
simplify calls to screenCoordinates() in MercatorProjectionTest

oberluz/marble,rku/marble,quannt24/marble,adraghici/marble,quannt24/marble,David-Gil/marble-dev,tzapzoor/marble,probonopd/marble,utkuaydin/marble,AndreiDuma/marble,David-Gil/marble-dev,utkuaydin/marble,tzapzoor/marble,quannt24/marble,adraghici/marble,tzapzoor/marble,tucnak/marble,quannt24/marble,Earthwings/marble,utkuaydin/marble,rku/marble,tzapzoor/marble,utkuaydin/marble,tzapzoor/marble,Earthwings/marble,AndreiDuma/marble,tucnak/marble,David-Gil/marble-dev,tucnak/marble,rku/marble,oberluz/marble,David-Gil/marble-dev,oberluz/marble,tzapzoor/marble,adraghici/marble,rku/marble,AndreiDuma/marble,probonopd/marble,quannt24/marble,adraghici/marble,AndreiDuma/marble,adraghici/marble,probonopd/marble,rku/marble,quannt24/marble,adraghici/marble,Earthwings/marble,probonopd/marble,oberluz/marble,tucnak/marble,tzapzoor/marble,probonopd/marble,AndreiDuma/marble,AndreiDuma/marble,probonopd/marble,tzapzoor/marble,oberluz/marble,tucnak/marble,utkuaydin/marble,tucnak/marble,utkuaydin/marble,Earthwings/marble,tucnak/marble,David-Gil/marble-dev,Earthwings/marble,rku/marble,Earthwings/marble,oberluz/marble,David-Gil/marble-dev,probonopd/marble,quannt24/marble