Massimiliano Culpo ee1b0b9fb9 Delete unused "mutable_mock_store" fixture (#21632) ... The fixture was introduced in #19690 maybe accidentally. It's not used in unit tests, and though it should be mutable it seems an exact copy of it's immutable version.		2021-02-16 17:26:16 -08:00
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spack	Delete unused "mutable_mock_store" fixture (#21632)	2021-02-16 17:26:16 -08:00