Added tests for IRISMap. 1. An iris fits file may contain data which represents more than one Map objects. 2. Map(irisfits) gives us a list of such Maps. 3. Testing focuses on the IRISMap instances.
Added tests for IRISMap.
1. An iris fits file may contain data which represents more than one Map objects.
2. Map(irisfits) gives us a list of such Maps.
3. Testing focuses on the IRISMap instances.

dpshelio/sunpy,Alex-Ian-Hamilton/sunpy,dpshelio/sunpy,dpshelio/sunpy,Alex-Ian-Hamilton/sunpy,Alex-Ian-Hamilton/sunpy