message: make global names be different to each other
diff: @@ -46,8 +46,7 @@ pub const WALLET_CREDENTIALS: &'static str = r#"{"key":"8dvfYSt5d1taSd6yJdpjq4em
  pub const WALLET_CREDENTIALS_ARGON2I_MOD: &'static str = r#"{"key":"key", "key_derivation_method":"ARGON2I_MOD"}"#;
  pub const WALLET_CREDENTIALS_ARGON2I_INT: &'static str = r#"{"key":"key", "key_derivation_method":"ARGON2I_INT"}"#;
  pub const WALLET_CREDENTIALS_RAW: &'static str = r#"{"key":"8dvfYSt5d1taSd6yJdpjq4emkwsPDDLYxkNFysFD2cZY", "key_derivation_method":"RAW"}"#;
  -pub const WALLET_CONFIG: &'static str = r#"{"id":"wallet_1"}"#; // FIXME never use global names
  -pub const DEFAULT_WALLET_CONFIG: &'static str = r#"{"id":"wallet_1","storage_type":"default"}"#; // FIXME never use global names
  -pub const INMEM_WALLET_CONFIG: &'static str = r#"{"id":"wallet_1","storage_type":"inmem"}"#; // FIXME never use global names
  -pub const UNKNOWN_WALLET_CONFIG: &'static str = r#"{"id":"wallet_1","storage_type":"unknown"}"#; // FIXME never use global names
  +pub const DEFAULT_WALLET_CONFIG: &'static str = r#"{"id":"default_wallet_1","storage_type":"default"}"#; // FIXME never use global names
  +pub const INMEM_WALLET_CONFIG: &'static str = r#"{"id":"inmem_wallet_1","storage_type":"inmem"}"#; // FIXME never use global names
  +pub const UNKNOWN_WALLET_CONFIG: &'static str = r#"{"id":"unknown_wallet_1","storage_type":"unknown"}"#; // FIXME never use global names
  pub const AGENT_MESSAGE: &'static str = r#"{ "@id": "123456780","@type":"did:sov:BzCbsNYhMrjHiqZDTUASHg;spec/basicmessage/1.0/message","sent_time": "2019-01-15 18:42:01Z","content": "Your hovercraft is full of eels."}"#;
  