pgAdmin 4 commit: Improve code coverage and API test cases for Collatio

Improve code coverage and API test cases for Collations. Fixes #5325

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=82c4a4a03e72ecb120abdbafb445f58adf256eb9
Author: Satish V <satish.v@enterprisedb.com>

Modified Files
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docs/en_US/release_notes_4_23.rst                  |   3 +-
.../collations/tests/collations_test_data.json     | 415 +++++++++++++++++++++
.../schemas/collations/tests/test_collation_add.py |  84 +++--
.../collations/tests/test_collation_delete.py      |  69 ++--
.../tests/test_collation_delete_multiple.py        |  52 +--
.../tests/test_collation_dependency_dependent.py   |  77 ++++
.../schemas/collations/tests/test_collation_get.py |  78 ++--
.../tests/test_collation_get_collation_function.py |  85 +++++
.../collations/tests/test_collation_get_nodes.py   |  98 +++++
.../schemas/collations/tests/test_collation_put.py |  66 ++--
.../schemas/collations/tests/test_collation_sql.py |  96 +++++
.../databases/schemas/collations/tests/utils.py    |   7 +
12 files changed, 1015 insertions(+), 115 deletions(-)