Increase sleep time to 10ms to reduce flakes on fast computers aka Micha

crates/ruff_cli/src/cache.rs

@@ -519,7 +519,7 @@ mod tests {
         // Write the same contents to the source file (updating the modified time)
         // We must sleep for a millisecond or this can happen too fast on some systems resulting in a modified time collision.
         // Once `std::fs::File.set_modified` is stable we can use that instead.
-        std::thread::sleep(std::time::Duration::from_millis(1));
+        std::thread::sleep(std::time::Duration::from_millis(10));
         test_cache.write_source_file("source.py", source);
 
         let got_diagnostics = test_cache