Restore support for checking for UndefVarError variable name in at-test_throws #56231
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Fix #54082
Arguably this was a breaking change (as a consequence of #51979). But regardless, it seems like useful functionality to have a public API for testing that an
UndefVarError
was thrown for the expected variable name (regardless of scope). This is particularly useful if you don't know what the scope is (for example, in my use-case i want to test that a specificUndefVarError
is thrown from a module with agensym
'd name).Pre-v1.11 the syntax for this was
but that stopped working in v1.11 when
UndefVarError
got a second field (in fact in v1.11.1 this is an error when before it would pass)This PR restores that functionality.
We might want to backport it to v1.11.x so that v1.11 isn't the only version that doesn't support this.