message: Add cleanup for wallets in some libindy integration tests.
diff: @@ -234,7 +234,7 @@ mod high_cases {
  let (credential_def_json, credential_offer, _, _) = anoncreds::init_common_wallet();
  let wallet_handle = wallet::open_wallet(ANONCREDS_WALLET_CONFIG, WALLET_CREDENTIALS).unwrap();
  - let (prover_wallet_handle, _prover_wallet_config) = wallet::create_and_open_default_wallet("prover_store_credential_works_for_invalid_wallet_handle").unwrap();
  + let (prover_wallet_handle, prover_wallet_config) = wallet::create_and_open_default_wallet("prover_store_credential_works_for_invalid_wallet_handle").unwrap();
  anoncreds::prover_create_master_secret(prover_wallet_handle, COMMON_MASTER_SECRET).unwrap();
  @@ -262,6 +262,7 @@ mod high_cases {
  wallet::close_wallet(wallet_handle).unwrap();
  wallet::close_wallet(prover_wallet_handle).unwrap();
  + wallet::delete_wallet(&prover_wallet_config, WALLET_CREDENTIALS).unwrap();
  }
  }
  @@ -3587,7 +3588,7 @@ mod medium_cases {
  #[test]
  fn issuer_create_and_store_credential_def_works_for_correct_signature_type() {
  - let (wallet_handle, _wallet_config) = wallet::create_and_open_default_wallet("issuer_create_and_store_credential_def_works_for_correct_signature_type").unwrap();
  + let (wallet_handle, wallet_config) = wallet::create_and_open_default_wallet("issuer_create_and_store_credential_def_works_for_correct_signature_type").unwrap();
  anoncreds::issuer_create_credential_definition(wallet_handle,
  ISSUER_DID,
  @@ -3597,6 +3598,7 @@ mod medium_cases {
  Some(&anoncreds::default_cred_def_config())).unwrap();
  wallet::close_wallet(wallet_handle).unwrap();
  + wallet::delete_wallet(&wallet_config, WALLET_CREDENTIALS).unwrap();
  }
  #[test]
  @@ -3652,7 +3654,7 @@ mod medium_cases {
  #[test]
  fn issuer_create_and_store_credential_def_works_for_null_config() {
  - let (wallet_handle, _wallet_config) = wallet::create_and_open_default_wallet("issuer_create_and_store_credential_def_works_for_null_config").unwrap();
  + let (wallet_handle, wallet_config) = wallet::create_and_open_default_wallet("issuer_create_and_store_credential_def_works_for_null_config").unwrap();
  anoncreds::issuer_create_credential_definition(wallet_handle,
  DID_MY1,
  @@ -3661,6 +3663,7 @@ mod medium_cases {
  None,
  None).unwrap();
  wallet::close_wallet(wallet_handle).unwrap();
  + wallet::delete_wallet(&wallet_config, WALLET_CREDENTIALS).unwrap();
  }
  }
  