fix: typo

Signed-off-by: F.N. Claessen <felix@seita.nl>

flexmeasures/data/models/planning/tests/conftest.py

@@ -15,7 +15,7 @@
 def app_with_each_solver(app, request):
     """Set up the app config to run with different solvers.
 
-    A test that uses this fixtures runs all of its test cases with HiGHS and then again with Cbc.
+    A test that uses this fixture runs all of its test cases with HiGHS and then again with Cbc.
     """
     original_solver = app.config["FLEXMEASURES_LP_SOLVER"]
     app.config["FLEXMEASURES_LP_SOLVER"] = request.param