Fix cleanup error in TestVSCode_disconnect.test_launch

TestVSCode_disconnect.test_launch fails with clean up error because
disconnect gets called twice once from the test case and once from
the tear down hook.

This patch disables disconnect after its been called from test_launch

Reviewed By: clayborg

Differential Revision: https://reviews.llvm.org/D99491

GitOrigin-RevId: 42c3b5e5b6ffd39041c3d34f01e7162573eefd6e
2 files changed