── 1. Failure:  (@test-expect-warning.R#41)  ───────────────────────────────────
`null()` did not produce any warnings.

── 2. Failure:  (@test-expect-warning.R#42)  ───────────────────────────────────
`foo()` generated warnings:
* xxx
* yyy

── 3. Failure:  (@test-expect-warning.R#43)  ───────────────────────────────────
`foo()` produced unexpected warnings.
Expected match: zzz
Actual values:
* xxx
* yyy

── 4. Failure:  (@test-expect-warning.R#44)  ───────────────────────────────────
`foo()` produced unexpected warnings.
Expected match: xxx
Actual values:
* xxx
* yyy

