Fix template projects example tests (#4159)

* Fix: Switch ConfigLoader to OmegaConfigLoader

Signed-off-by: Janne Holopainen <manezki@gmail.com>

* Fix: Add env to KedroContext

Signed-off-by: Janne Holopainen <manezki@gmail.com>

* Doc: Add changes to RELEASE.md

Signed-off-by: Janne Holopainen <manezki@gmail.com>

---------

Signed-off-by: Janne Holopainen <manezki@gmail.com>

RELEASE.md

@@ -7,6 +7,7 @@
 * Enhanced `OmegaConfigLoader` configuration validation to detect duplicate keys at all parameter levels, ensuring comprehensive nested key checking.
 ## Bug fixes and other changes
 * Fixed bug where using dataset factories breaks with `ThreadRunner`.
+* Fixed template projects example tests.
 
 ## Breaking changes to the API
 * Removed `ShelveStore` to address a security vulnerability.
@@ -18,6 +19,7 @@
 ## Community contributions
 * [Puneet](https://github.com/puneeter)
 * [ethanknights](https://github.com/ethanknights)
+* [Manezki](https://github.com/Manezki)
 
 # Release 0.19.8
 

kedro/templates/project/{{ cookiecutter.repo_name }}/tests/test_run.py

@@ -12,22 +12,23 @@
 
 import pytest
 
-from kedro.config import ConfigLoader
+from kedro.config import OmegaConfigLoader
 from kedro.framework.context import KedroContext
 from kedro.framework.hooks import _create_hook_manager
 from kedro.framework.project import settings
 
 
 @pytest.fixture
 def config_loader():
-    return ConfigLoader(conf_source=str(Path.cwd() / settings.CONF_SOURCE))
+    return OmegaConfigLoader(conf_source=str(Path.cwd() / settings.CONF_SOURCE))
 
 
 @pytest.fixture
 def project_context(config_loader):
     return KedroContext(
         package_name="{{ cookiecutter.python_package }}",
         project_path=Path.cwd(),
+        env="local",
         config_loader=config_loader,
         hook_manager=_create_hook_manager(),
     )