message: Define mock versions of logging macros.
diff: @@ -12,6 +12,14 @@ macro_rules! matches {
  }
  }
  +// Map logging to println for now until we can figure out how to get it in
  +// unit tests without putting env_logger::try_init() at the top of every test.
  +macro_rules! error { ($($arg:tt)*) => ( println!($($arg)*);) }
  +macro_rules! warn { ($($arg:tt)*) => ( println!($($arg)*);) }
  +macro_rules! info { ($($arg:tt)*) => ( println!($($arg)*);) }
  +macro_rules! debug { ($($arg:tt)*) => ( println!($($arg)*);) }
  +macro_rules! trace { ($($arg:tt)*) => ( println!($($arg)*);) }
  +
  pub mod connection;
  pub mod data;
  pub mod frame;
  