Simplify EBSD header read for unit test (#27)
Simplify EBSD header read for unit test (#27)

apc-llc/moose,waxmanr/moose,markr622/moose,jasondhales/moose,adamLange/moose,permcody/moose,friedmud/moose,liuwenf/moose,xy515258/moose,jiangwen84/moose,jhbradley/moose,markr622/moose,milljm/moose,liuwenf/moose,katyhuff/moose,Chuban/moose,SudiptaBiswas/moose,jhbradley/moose,yipenggao/moose,capitalaslash/moose,nuclear-wizard/moose,apc-llc/moose,bwspenc/moose,laagesen/moose,YaqiWang/moose,joshua-cogliati-inl/moose,liuwenf/moose,mellis13/moose,jessecarterMOOSE/moose,friedmud/moose,milljm/moose,sapitts/moose,jbair34/moose,lindsayad/moose,liuwenf/moose,Chuban/moose,stimpsonsg/moose,sapitts/moose,giopastor/moose,laagesen/moose,raghavaggarwal/moose,jiangwen84/moose,kasra83/moose,lindsayad/moose,dschwen/moose,raghavaggarwal/moose,lindsayad/moose,stimpsonsg/moose,jessecarterMOOSE/moose,liuwenf/moose,Chuban/moose,bwspenc/moose,backmari/moose,jhbradley/moose,waxmanr/moose,wgapl/moose,jbair34/moose,mellis13/moose,permcody/moose,stimpsonsg/moose,harterj/moose,nuclear-wizard/moose,jiangwen84/moose,mellis13/moose,sapitts/moose,lindsayad/moose,andrsd/moose,jiangwen84/moose,nuclear-wizard/moose,SudiptaBiswas/moose,bwspenc/moose,joshua-cogliati-inl/moose,wgapl/moose,jinmm1992/moose,apc-llc/moose,jbair34/moose,giopastor/moose,jasondhales/moose,xy515258/moose,liuwenf/moose,capitalaslash/moose,backmari/moose,backmari/moose,bwspenc/moose,apc-llc/moose,katyhuff/moose,friedmud/moose,bwspenc/moose,sapitts/moose,dschwen/moose,yipenggao/moose,dschwen/moose,markr622/moose,danielru/moose,andrsd/moose,permcody/moose,xy515258/moose,YaqiWang/moose,danielru/moose,katyhuff/moose,xy515258/moose,katyhuff/moose,idaholab/moose,raghavaggarwal/moose,waxmanr/moose,jbair34/moose,yipenggao/moose,danielru/moose,SudiptaBiswas/moose,milljm/moose,wgapl/moose,nuclear-wizard/moose,backmari/moose,joshua-cogliati-inl/moose,Chuban/moose,jinmm1992/moose,laagesen/moose,jessecarterMOOSE/moose,adamLange/moose,harterj/moose,raghavaggarwal/moose,laagesen/moose,SudiptaBiswas/moose,laagesen/moose,idaholab/moose,dschwen/moose,jinmm1992/moose,yipenggao/moose,joshua-cogliati-inl/moose,sapitts/moose,jessecarterMOOSE/moose,SudiptaBiswas/moose,kasra83/moose,andrsd/moose,lindsayad/moose,YaqiWang/moose,jessecarterMOOSE/moose,jasondhales/moose,stimpsonsg/moose,capitalaslash/moose,harterj/moose,andrsd/moose,dschwen/moose,capitalaslash/moose,milljm/moose,permcody/moose,adamLange/moose,giopastor/moose,idaholab/moose,kasra83/moose,danielru/moose,andrsd/moose,mellis13/moose,harterj/moose,adamLange/moose,jinmm1992/moose,waxmanr/moose,giopastor/moose,jhbradley/moose,YaqiWang/moose,idaholab/moose,kasra83/moose,markr622/moose,wgapl/moose,friedmud/moose,idaholab/moose,milljm/moose,harterj/moose,jasondhales/moose