This is co-released with
xunit.analyzers
version 1.3.0-pre.13
and
xunit.runner.visualstudio
version 2.5.1-pre.10
.
[MemberData]
against a method with optional parameters (where you don't specify the values) is
not supported in v2. We have added a message alerting you to this, where previously we would just fail to find
a matching method.
xunit/xunit#1985