[app][thread_tests] add a few tests for the static initializers
[app][thread_tests] add a few tests for the static initializers

ErikCorryGoogle/lk,skabet/lk,hollanderic/lkstuff,hollanderic/lkstuff,sndnvaps/lk,pablomarx/lk,minglun-tsai/lk,littlekernel/lk,srodrig1/lk,nvll/lk,littlekernel/lk,M1cha/lk,travisg/lk,srodrig1/lk,GCrean/lk,nvll/lk,pablomarx/lk,srodrig1/lk,littlekernel/lk,skabet/lk,GCrean/lk,grub4android/lk,sndnvaps/lk,ErikCorryGoogle/lk,ErikCorryGoogle/lk,travisg/lk,skabet/lk,skabet/lk,minglun-tsai/lk,nvll/lk,srodrig1/lk,grub4android/lk,sndnvaps/lk,nvll/lk,sndnvaps/lk,M1cha/lk,minglun-tsai/lk,hollanderic/lkstuff,nvll/lk,pablomarx/lk,sndnvaps/lk,GCrean/lk,hollanderic/lkstuff,travisg/lk,grub4android/lk,ErikCorryGoogle/lk,M1cha/lk,travisg/lk,grub4android/lk,M1cha/lk,littlekernel/lk,skabet/lk,M1cha/lk,minglun-tsai/lk,srodrig1/lk,grub4android/lk,pablomarx/lk,GCrean/lk,pablomarx/lk,GCrean/lk