There are tons of cases.
First, the problem would be that it's not a negligence case, it's a premises liability case. Negligence against a premises owner requires affirmative, contemporaneous conduct; premises liability is a nonfeasance theory based on the premises owner's failure to make the premises safe. See United Scaffolding, Inc. v. Levine, 537 S.W.3d 463, 471 (Tex. 2017); Del Lago Partners v. Smith, 307 S.W.3d 762, 776 (Tex. 2010).
Under a premises liability theory, you'd have to show both that a condition of the premises posed an unreasonable risk of harm, and that Costco knew or should have known about the risk, and that Costco failed to make the condition reasonably safe. See United Supermarkets, LLC v. McIntire, 646 S.W.3d 800, 802 n.4 (Tex. 2022); Austin v. Kroger Tex., L.P., 465 S.W.3d 193, 203 (Tex. 2015).
And before you start analyzing these standards, let me assure you that the Texas Supreme Court interprets them in a decidedly pro-company way.