message: Use the correct parameterized Web Crypto algorithm object when importing the public and private keys.
  Fix exception message string (RSA > ECC).
diff: var _algo = WebCryptoAlgorithm.ECDSA_SHA256;
  _algo['namedCurve'] = ECDSA_KEYPAIR.publicKeyJSON['crv'];
  - PublicKey.import(ECDSA_KEYPAIR.publicKeyJSON, WebCryptoAlgorithm.ECDSA_SHA256, WebCryptoUsage.VERIFY, KeyFormat.JWK, {
  + PublicKey.import(ECDSA_KEYPAIR.publicKeyJSON, _algo, WebCryptoUsage.VERIFY, KeyFormat.JWK, {
  result: function (pubkey) {
  ECC_PUBKEY = MockEccAuthenticationFactory.ECC_PUBKEY = pubkey;
  keysDefined.signalAll();
  },
  error: function(e) {
  - throw new MslInternalException("Hard-coded RSA key failure.", e);
  + throw new MslInternalException("Hard-coded ECC key failure.", e);
  }
  });
  - PrivateKey.import(ECDSA_KEYPAIR.privateKeyJSON, WebCryptoAlgorithm.ECDSA_SHA256, WebCryptoUsage.SIGN, KeyFormat.JWK, {
  + PrivateKey.import(ECDSA_KEYPAIR.privateKeyJSON, _algo, WebCryptoUsage.SIGN, KeyFormat.JWK, {
  result: function (privkey) {
  ECC_PRIVKEY = MockEccAuthenticationFactory.ECC_PRIVKEY = privkey;
  keysDefined.signalAll();
  },
  error: function(e) {
  - throw new MslInternalException("Hard-coded RSA key failure.", e);
  + throw new MslInternalException("Hard-coded ECC key failure.", e);
  }
  });
  })();
  