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

Improve code coverage and API test cases for Schemas. Fixes #5327

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=318d712c4f1f8399b8ec2a70d32e84a1f0cfeb14
Author: Satish V <satish.v@enterprisedb.com>

Modified Files
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docs/en_US/release_notes_4_25.rst                  |   1 +
.../tests/domain_constraints_test_data.json        |   5 +-
.../databases/schemas/tests/schema_test_data.json  | 296 +++++++++++++++++++++
.../databases/schemas/tests/test_schema_add.py     |  62 +++--
.../databases/schemas/tests/test_schema_delete.py  |  48 +++-
.../schemas/tests/test_schema_delete_multiple.py   |  24 +-
.../schemas/tests/test_schema_dependents.py        |  77 ++++++
.../databases/schemas/tests/test_schema_get.py     |  70 +++--
.../schemas/tests/test_schema_get_children.py      |  84 ++++++
.../databases/schemas/tests/test_schema_node.py    |  86 ++++++
.../databases/schemas/tests/test_schema_put.py     |  54 ++--
.../databases/schemas/tests/test_schema_sql.py     |  88 ++++++
.../servers/databases/schemas/tests/utils.py       |   6 +
13 files changed, 820 insertions(+), 81 deletions(-)