test/run.sh: Kill subprocesses when test exits
test/run.sh: Kill subprocesses when test exits

Move trap call so that it is actually executed, and kill any
leftover subprocesses so the test can complete.

Also, unmount chroot with -f.

mkasick/crouton,arbuztw/crouton,tedm/crouton,StrawnPoint04/crouton,armgong/chroagh,elkangaroo/chroagh,Timvrakas/crouton,dragon788/chroagh,jamgregory/crouton,jamgregory/crouton,Timvrakas/crouton,nromsdahl/crouton,DanDanBu/crouton,armgong/chroagh,jamgregory/crouton,elkangaroo/chroagh,brayniac/crouton,rperce/chroagh,stephen-soltesz/crouton,rperce/chroagh,twmccart/crouton,twmccart/crouton,jamgregory/crouton,fxcebx/crouton,tedm/crouton,tonyxue/cruise,elkangaroo/chroagh,JDGBOLT/chroagh,dnschneid/crouton,stephen-soltesz/crouton,fxcebx/crouton,ikaritw/crouton,ikaritw/crouton,armgong/chroagh,JDGBOLT/chroagh,DanDanBu/crouton,StrawnPoint04/crouton,mkasick/crouton,tonyxue/cruise,dnschneid/crouton,rperce/chroagh,fxcebx/crouton,brayniac/crouton,twmccart/crouton,taterbase/crouton,brayniac/crouton,mkasick/crouton,djmrr/crouton,arbuztw/crouton,ikaritw/crouton,tedm/crouton,Timvrakas/crouton,dnschneid/crouton,djmrr/crouton,VandeurenGlenn/crouton,jamgregory/crouton,zofuthan/crouton,tonyxue/cruise,JDGBOLT/chroagh,djmrr/crouton,StrawnPoint04/crouton,nromsdahl/crouton,dnschneid/crouton,fxcebx/crouton,elkangaroo/chroagh,zofuthan/crouton,jamgregory/crouton,JDGBOLT/chroagh,armgong/chroagh,zofuthan/crouton,nromsdahl/crouton,StrawnPoint04/crouton,fxcebx/crouton,fxcebx/crouton,armgong/chroagh,tonyxue/cruise,taterbase/crouton,djmrr/crouton,brayniac/crouton,arbuztw/crouton,twmccart/crouton,dragon788/chroagh,arbuztw/crouton,dragon788/chroagh,mkasick/crouton,StrawnPoint04/crouton,StrawnPoint04/crouton,dragon788/chroagh,stephen-soltesz/crouton,taterbase/crouton,tedm/crouton,Timvrakas/crouton,DanDanBu/crouton,VandeurenGlenn/crouton,JDGBOLT/chroagh,tedm/crouton,stephen-soltesz/crouton,taterbase/crouton,brayniac/crouton,stephen-soltesz/crouton,armgong/chroagh,VandeurenGlenn/crouton,tonyxue/cruise,elkangaroo/chroagh,VandeurenGlenn/crouton,Timvrakas/crouton,zofuthan/crouton,rperce/chroagh,dragon788/chroagh,JDGBOLT/chroagh,dnschneid/crouton,dnschneid/crouton,zofuthan/crouton,nromsdahl/crouton,tonyxue/cruise,nromsdahl/crouton,taterbase/crouton,Timvrakas/crouton,twmccart/crouton,elkangaroo/chroagh,rperce/chroagh,ikaritw/crouton,arbuztw/crouton,rperce/chroagh,ikaritw/crouton,DanDanBu/crouton,arbuztw/crouton,ikaritw/crouton,stephen-soltesz/crouton,djmrr/crouton,brayniac/crouton,zofuthan/crouton,taterbase/crouton,djmrr/crouton,nromsdahl/crouton,tedm/crouton,dragon788/chroagh,VandeurenGlenn/crouton,mkasick/crouton,mkasick/crouton,VandeurenGlenn/crouton,DanDanBu/crouton,DanDanBu/crouton,twmccart/crouton