Unit tests for featdesign module. Still need to test voxelwise EVs

...2ndlevel_2.gfeat/cope1.feat/var_filtered_func_data.nii.gz

tests/testdata/test_feat/2ndlevel_2.gfeat/cope2.feat/.flame

...at/2ndlevel_2.gfeat/cope2.feat/cluster_mask_zstat1.nii.gz

...t_feat/2ndlevel_2.gfeat/cope2.feat/cluster_zstat1_std.txt

...testdata/test_feat/2ndlevel_2.gfeat/cope2.feat/design.con

...testdata/test_feat/2ndlevel_2.gfeat/cope2.feat/design.fsf

...testdata/test_feat/2ndlevel_2.gfeat/cope2.feat/design.grp

...estdata/test_feat/2ndlevel_2.gfeat/cope2.feat/design.lcon

...testdata/test_feat/2ndlevel_2.gfeat/cope2.feat/design.lev

...testdata/test_feat/2ndlevel_2.gfeat/cope2.feat/design.mat

...test_feat/2ndlevel_2.gfeat/cope2.feat/example_func.nii.gz

...eat/2ndlevel_2.gfeat/cope2.feat/filtered_func_data.nii.gz

...test_feat/2ndlevel_2.gfeat/cope2.feat/lmax_zstat1_std.txt

...estdata/test_feat/2ndlevel_2.gfeat/cope2.feat/mask.nii.gz

...ta/test_feat/2ndlevel_2.gfeat/cope2.feat/mean_func.nii.gz

...2ndlevel_2.gfeat/cope2.feat/rendered_thresh_zstat1.nii.gz

.../test_feat/2ndlevel_2.gfeat/cope2.feat/stats/cope1.nii.gz

.../testdata/test_feat/2ndlevel_2.gfeat/cope2.feat/stats/dof

...tdata/test_feat/2ndlevel_2.gfeat/cope2.feat/stats/logfile

..._2.gfeat/cope2.feat/stats/mean_random_effects_var1.nii.gz