def setup_aggregate_events ():
    global events_df, mortality_df,feature_map_df
    events_df, mortality_df,feature_map_df = read_csv('tests/data/etl_3/')    
def setup_filtered_events ():
    global events_df, mortality_df,feature_map_df
    events_df, mortality_df,feature_map_df = read_csv('tests/data/etl_2/')    
def setup_index_date ():
    global events_df, mortality_df,feature_map_df
    events_df, mortality_df,feature_map_df = read_csv('tests/data/etl_1/')    
def setup_aggregate_events():
    global events_df, mortality_df, feature_map_df
    events_df, mortality_df, feature_map_df = read_csv('tests/data/etl_3/')
def setup_filtered_events():
    global events_df, mortality_df, feature_map_df
    events_df, mortality_df, feature_map_df = read_csv('tests/data/etl_2/')
def setup_index_date():
    global events_df, mortality_df, feature_map_df
    events_df, mortality_df, feature_map_df = read_csv('tests/data/etl_1/')