Fix tests when running with RUST_TEST_THREADS=1
Fix tests when running with RUST_TEST_THREADS=1

rustyhorde/cargo,tsurai/cargo,nipunn1313/cargo,eminence/cargo,vojtechkral/cargo,tsurai/cargo,tsurai/cargo,tshepang/cargo,tshepang/cargo,eminence/cargo,vojtechkral/cargo,rust-lang/cargo,nipunn1313/cargo,tshepang/cargo,vojtechkral/cargo,tshepang/cargo,rust-lang/cargo,eminence/cargo,nipunn1313/cargo,tsurai/cargo,rustyhorde/cargo,rust-lang/cargo,rustyhorde/cargo,vojtechkral/cargo,rustyhorde/cargo,tsurai/cargo,rust-lang/cargo,eminence/cargo,nipunn1313/cargo