SAN BRUNO, Calif. (AP) -- Wal-Mart Stores (NYSE:WMT), the world's largest retailer, says it's setting up lockers in about a dozen stores so that shoppers who order on its website can pick up their items without having to wait in the checkout line.

The test, which is being conducted in an undisclosed market, is part of Wal-Mart's strategy to offer more convenience for Web-savvy shoppers to make their purchases wherever they want.

Wal-Mart officials disclosed the test Tuesday at a media event at its company's global e-commerce offices in San Bruno, Calif., located in Silicon Valley. The test accounts for just a tiny fraction of its 4,000 U.S. namesake stores.

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