Error when not using cargo-nextest

[cwfitzgerald]

Checklist

• Run cargo clippy.
• Run RUSTFLAGS=--cfg=web_sys_unstable_apis cargo clippy --target wasm32-unknown-unknown if applicable.
• Add change to CHANGELOG.md. See simple instructions inside file.

Connections

Closes #3285

Description

Error when there are multiple tests running at the same time in a single process.

Testing

Ran cargo test, got yelled at.

[codecov-commenter]

Codecov Report

Merging #3293 (fa2f9d0) into master (f0f700c) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3293   +/-   ##
=======================================
  Coverage   65.64%   65.64%           
=======================================
  Files          82       82           
  Lines       39479    39479           
=======================================
+ Hits        25915    25917    +2     
+ Misses      13564    13562    -2     

Impacted Files	Coverage Δ
wgpu-core/src/hub.rs	60.67% <0.00%> (-0.16%)	⬇️
wgpu-core/src/validation.rs	58.87% <0.00%> (-0.14%)	⬇️
wgpu-core/src/device/mod.rs	66.73% <0.00%> (+0.09%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.