Improving logic and fixing comment

Author: antonio-amjr

app/test_engine/models/test_suite.py

@@ -63,8 +63,9 @@ def config(self) -> dict:
         Returns execution_config if available (temporary override from CLI),
         otherwise returns project.config (persistent configuration).
         """
-        if self.test_suite_execution.test_run_execution.execution_config is not None:
-            return self.test_suite_execution.test_run_execution.execution_config
+        test_run_execution = self.test_suite_execution.test_run_execution
+        if test_run_execution.execution_config is not None:
+            return test_run_execution.execution_config
         return self.project.config
 
     @property
@@ -83,7 +84,7 @@ def state(self, value: TestStateEnum) -> None:
 
     def __compute_state(self) -> TestStateEnum:
         """
-        State is computed based test_suite errors and on on test case states.
+        State is computed based on test_suite errors and test case states.
         """
         if self.errors is not None and len(self.errors) > 0:
             return TestStateEnum.ERROR