address greptile review feedback (greploop iteration 1)

Remove leftover 10000ms per-test timeout in add_model_tab.test.tsx that was
missed in the initial sweep. The test now inherits the 30000ms global.

ui/litellm-dashboard/src/components/add_model/add_model_tab.test.tsx

@@ -175,7 +175,7 @@ describe("Add Model Tab", () => {
     );
 
     expect(await screen.findByRole("tab", { name: "Add Model" })).toBeInTheDocument();
-  }, 10000); // This test is flaky, adding a timeout until we find a better solution
+  });
 
   it("should display both Add Model and Add Auto Router tabs", async () => {
     const props = createTestProps();