Disable retry timeouts for cmd/slack-bot test

[sharovik]

We need to disable the retries timeout for this test

devbot/cmd/slack-bot/main_test.go

Line 12 in 524aaf5

func TestMain_Retries(t *testing.T) {

Here we set the timeout
https://github.com/sharovik/devbot/blob/master/cmd/slack-bot/main.go#L58