pgAdmin 4 commit: Ensure that successful maintenance tasks don't leave

Ensure that successful maintenance tasks don't leave a notifier window behind when running regression tests.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=912db8913fbe63fcf83e588ded248b104eb78221
Author: Usman Muzaffar <usman.muzaffar@enterprisedb.com>

Modified Files
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web/pgadmin/feature_tests/file_manager_test.py              |  4 ++--
.../feature_tests/pg_utilities_backup_restore_test.py       |  1 +
web/pgadmin/feature_tests/pg_utilities_maintenance_test.py  |  1 +
.../feature_tests/xss_checks_pgadmin_debugger_test.py       | 13 +++++++++----
4 files changed, 13 insertions(+), 6 deletions(-)