Hi, Sergey,

<snipped>

+  res, err = misc.memprof.stop()
    -- Want to cleanup carefully if something went wrong.
    if not res then
+ test:fail('sysprof was not started: ' .. err)

Looks like it should be: "was not stopped successfully".

Fixed, thanks!

--- a/test/tarantool-tests/profilers/misclib-memprof-lapi-default-file.test.lua
+++ b/test/tarantool-tests/profilers/misclib-memprof-lapi-default-file.test.lua
@@ -26,7 +26,7 @@ test:test('default-output-file', function(subtest)
   res, err = misc.memprof.stop()
   -- Want to cleanup carefully if something went wrong.
   if not res then
-    test:fail('sysprof was not started: ' .. err)
+    test:fail('sysprof was not stopped: ' .. err)
     os.remove(default_output_file)
   end
 

      os.remove(default_output_file)
-    error(err)
    end

+
    local profile_buf = tools.read_file(default_output_file)
subtest:ok(profile_buf ~= nil and #profile_buf ~= 0,
               'default output file is not empty')

-  -- We don't need it any more.
+  -- We don't need it anymore.
    os.remove(default_output_file)
  end)

<snipped>