Small update to client module tests.

local nk = require("nakama")

local client_rpc_test = {}

function client_rpc_test.echo(context, payload)

-- A simple echo example which returns the payload received as input.

local function echo(context, payload)

  return payload

end

nk.register_rpc(client_rpc_test.echo, "client_rpc_test_echo")

nk.register_rpc(echo, "client_rpc_echo")

function client_rpc_test.fail(context, payload)

-- Tests whether a client handles a Lua error gracefully.

local function fail(context, payload)

  error("fail")

end

nk.register_rpc(client_rpc_test.fail, "client_rpc_test_fail")

return client_rpc_test

nk.register_rpc(fail, "client_rpc_fail")