Coca-Cola is beloved by Warren Buffett, but right now there's another soda company that's probably more appealing for investors.

Earnings season. This is the time for companies to prove that their growth strategy is working, with the proof

Coke has reported strong demand in its international markets, helping offset weaker demand in the U.S. In its home market, consumers have been dining out less, denting the company's off-premise sales and prompting Coke to partner with chains to offer combo meals.