ENH: Add test for POpenFOAMReader

Change-Id: I7fccf57a0bfaa524d31f18d3e74449ca5990087a
Fixed compiler warning about shadow declaration of variable

Change-Id: I8a17792958f726e3a2b46ba88728dfd6339f236b
Merge topic 'Coverage_POpenFOAMReader' into master

2dc2e641 ENH: Add test for POpenFOAMReader
Merge topic 'fix_shadow_decl_warning' into master

a443bea2 Fixed compiler warning about shadow declaration of variable