pgAdmin 4 commit: Stabilise feature tests for continuous running onCI

Stabilise feature tests for continuous running on CI systems. Fixes #3136.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=70c95fcdd54923ca173e9e83116616cbcfa221b2
Author: Usman Muzaffar <usman.muzaffar@enterprisedb.com>

Modified Files
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docs/en_US/release_notes_3_3.rst                   |  1 +
.../copy_selected_query_results_feature_test.py    | 35 +++------
web/pgadmin/feature_tests/file_manager_test.py     | 85 +++++++++++++---------
.../feature_tests/pg_datatype_validation_test.py   | 25 ++-----
.../feature_tests/query_tool_journey_test.py       | 43 +++++------
web/pgadmin/feature_tests/query_tool_tests.py      | 44 +++++------
.../feature_tests/table_ddl_feature_test.py        | 35 +++------
web/pgadmin/feature_tests/view_data_dml_queries.py | 28 ++-----
.../xss_checks_panels_and_query_tool_test.py       | 31 ++------
.../feature_tests/xss_checks_roles_control_test.py |  1 -
web/pgadmin/tools/sqleditor/static/js/sqleditor.js | 16 ++++
web/pgadmin/utils/route.py                         |  4 +
web/regression/feature_utils/pgadmin_page.py       | 19 ++++-
web/regression/runtests.py                         | 32 +++++++-
14 files changed, 193 insertions(+), 206 deletions(-)