test/channels_spec: cleanup

- Remove stray print()
- Use uname() instead of system('uname')

test/functional/core/channels_spec.lua

@@ -1,3 +1,5 @@
+local global_helpers = require('test.helpers')
+local uname = global_helpers.uname
 
 local helpers = require('test.functional.helpers')(after_each)
 local clear, eq, eval, next_msg, ok, source = helpers.clear, helpers.eq,
@@ -7,6 +9,7 @@ local sleep = helpers.sleep
 local spawn, nvim_argv = helpers.spawn, helpers.nvim_argv
 local set_session = helpers.set_session
 local nvim_prog = helpers.nvim_prog
+local os_name = helpers.os_name
 local retry = helpers.retry
 local expect_twostreams = helpers.expect_twostreams
 
@@ -138,9 +141,8 @@ describe('channels', function()
 
     command("call chansend(id, 'incomplet\004')")
 
-    local is_freebsd = eval("system('uname') =~? 'FreeBSD'") == 1
-    local bsdlike = is_freebsd or (helpers.os_name() == "osx")
-    print("bsdlike:", bsdlike)
+    local is_freebsd = (string.lower(uname()) == 'freebsd')
+    local bsdlike = is_freebsd or (os_name() == "osx")
     local extra = bsdlike and "^D\008\008" or ""
     expect_twoline(id, "stdout",
                    "incomplet"..extra, "[1, ['incomplet'], 'stdin']", true)

test/functional/eval/api_functions_spec.lua

@@ -6,7 +6,7 @@ local clear, curbufmeths = helpers.clear, helpers.curbufmeths
 local exc_exec, expect, eval = helpers.exc_exec, helpers.expect, helpers.eval
 local insert = helpers.insert
 
-describe('api functions', function()
+describe('eval-API', function()
   before_each(clear)
 
   it("work", function()