refactor: ut sources to linked form

[asterwyx]

Don't compile sources again in unit test, just link unit test to libraries.

Log: refactor ut sources to linked form

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: asterwyx, kegechen

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files: - **[debian/deepin/OWNERS](https://github.com/linuxdeepin/qt5integration/blob/master/debian/deepin/OWNERS)** Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[asterwyx]

/merge