fn add_event(
            &self,
            _event_type: String,
            _attributes: Vec<(String, String)>,
            _data: &[u8],
        ) -> Result<(), ContextError> {
            unimplemented!()
        }
/// this is not needed for these tests
this is not needed for these tests
this is not needed for these tests
fn add_event(
            &self,
            _event_type: String,
            _attributes: Vec<(String, String)>,
            _data: &[u8],
        ) -> Result<(), ContextError> {
            unimplemented!()
        }
fn add_event ( & self , _event_type : String , _attributes : Vec < ( String , String ) > , _data : & [ u8 ] , ) -> Result < ( ) , ContextError > { unimplemented ! ( ) }
this is not needed for these tests
this is not needed for these tests
&self
_event_type
String
_attributes
Vec<(String, String)>
_data
&[u8]