Resolve "Warnings while executing end-to-end tests"

Closes #191 (closed)

sim/tests/endToEndTests/pyOpenPASS/query_executor.py

@@ -58,14 +58,16 @@ def join_events_and_fill(df: pd.DataFrame, events: pd.DataFrame, queried_events)
         for event in queried_events:
             event_column = f'Event_{event_parser.normalize(event)}'
             if column == event_column:
+                df[column] = pd.to_numeric(df[column], downcast="float", errors='ignore')
                 df[column] = df.groupby('AgentId')[
                     column].fillna(method='ffill')
                 # only for the event column itself, not its keys
-                df[column] = df.groupby('AgentId')[column].fillna(False)
+                df[column] = df.groupby('AgentId')[column].fillna(0.0)
 
     # fill default event columns
     for column in df.columns:
         if column in ['IsTriggering', 'IsAffected', 'Source', 'Name']:
+            df[column] = pd.to_numeric(df[column], downcast="float", errors='ignore')
             df[column] = df.groupby('AgentId')[column].fillna(method='ffill')
 
     return df