unit tests: initialize everything

test/unit/os/shell_spec.lua

@@ -24,11 +24,7 @@ local NULL = ffi.cast('void *', 0)
 
 describe('shell functions', function()
   setup(function()
-    -- the logging functions are complain if I don't do this
-    shell.init_homedir()
-
     shell.event_init()
-
     -- os_system() can't work when the p_sh and p_shcf variables are unset
     shell.p_sh = to_cstr('/bin/bash')
     shell.p_shcf = to_cstr('-c')