Auto merge of #4381 - Turbo87:search-qps, r=Turbo87
Auto merge of #4381 - Turbo87:search-qps, r=Turbo87

tests/search: Add test case for query parameter forwarding

This should ensure to not break the functionality that was added in https://github.com/rust-lang/crates.io/pull/1543 when working on implementing https://github.com/rust-lang/crates.io/issues/491.

rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io