[Cosmos] Rename test directory (Azure#40030)

For better compatibility with CI tooling and consistency with other Azure
SDK packages, let's rename `test` to `tests`.

Signed-off-by: Paul Van Eck <[email protected]>

Author: pvaneck

sdk/cosmos/azure-cosmos/MANIFEST.in

@@ -2,6 +2,6 @@ include *.md
 include LICENSE
 include azure/__init__.py
 recursive-include samples *.py *.md
-recursive-include test *.py
+recursive-include tests *.py
 include azure/cosmos/py.typed
 recursive-include doc *.rst

sdk/cosmos/azure-cosmos/setup.py

@@ -34,7 +34,7 @@
     changelog = f.read()
 
 exclude_packages = [
-    "test",
+    "tests",
     "samples",
     # Exclude packages that will be covered by PEP420 or nspkg
     "azure",