Added test for cmaps attribute of cmap
Added test for cmaps attribute of cmap

Cadair/ginga,stscieisenhamer/ginga,naojsoft/ginga,stscieisenhamer/ginga,pllim/ginga,pllim/ginga,ejeschke/ginga,rupak0577/ginga,stscieisenhamer/ginga,rupak0577/ginga,Cadair/ginga,ejeschke/ginga,naojsoft/ginga,Cadair/ginga,naojsoft/ginga,pllim/ginga,ejeschke/ginga,rupak0577/ginga