[PATCH v3] tests: force non-deterministic mode in non-deterministic tests

[Jan Beulich]

On 16.01.2024 14:57, Stephen Kitt wrote:
> Since ar can be built defaulting to deterministic mode, tests which
> expect non-deterministic behaviour need to explicitly set the U flag.
> 
> The non-deterministic member test expects SOURCE_DATE_EPOCH to not be
> set; this documents that. Unconditionally unsetting the variable
> causes issues in test infrastructure (which expects unsetenv to only
> be called on variables which are already set).
> 
> Signed-off-by: Stephen Kitt <steve@sk2.org>

In the absence of any other comments, please feel free to put in.

Jan