Cannot install WP_Mock about wp_mock HOT 2 CLOSED

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Installing dependencies from lock file (including require-dev)
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  Problem 1
    - 10up/wp_mock is locked to version 0.4.2 and an update of this package was not requested.
    - 10up/wp_mock 0.4.2 requires mockery/mockery ^1.0 -> could not be found in any version, there may be a typo in the package name.

Potential causes:
 - A typo in the package name
 - The package is not available in a stable-enough version according to your minimum-stability setting
   see <https://getcomposer.org/doc/04-schema.md#minimum-stability> for more details.
 - It's a private package and you forgot to add a custom repository to find it

Read <https://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.