Bugfix for WEAVE CI (LLNL#457)

* begin work on integration refactor; create fixtures and initial tests

* update CHANGELOG and run fix-style

* add pytest fixtures and README explaining them

* add tests to demonstrate how to use the fixtures

* move/rename some files and modify integration's README

* add password change to redis.pass file

* fix lint issues

* modify redis pwd for test server to be constant for each test

* fix lint issue only caught on github ci

* add fix for merlin server startup

* update CHANGELOG

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 - Pytest fixtures in the `conftest.py` file of the integration test suite
+  - NOTE: an export command `export LC_ALL='C'` had to be added to fix a bug in the WEAVE CI. This can be removed when we resolve this issue for the `merlin server` command
 - Tests for the `celeryadapter.py` module
 
 ## [1.11.1]

tests/conftest.py

@@ -123,7 +123,8 @@ def redis_server(merlin_server_dir: str, redis_pass: str) -> str:  # pylint: dis
     """
     # Start the local redis server
     try:
-        subprocess.run("merlin server start", shell=True, capture_output=True, text=True, timeout=5)
+        # Need to set LC_ALL='C' before starting the server or else redis causes a failure
+        subprocess.run("export LC_ALL='C'; merlin server start", shell=True, capture_output=True, text=True, timeout=5)
     except subprocess.TimeoutExpired:
         pass