test: remove loop over single element

This loop used to iterate over two elements, but since commit
215f4d04b7, it only iterates over
a single element. Therefore, move the test out of the loop body
and remove the loop itself.

Refs: https://github.com/nodejs/node/pull/50973
PR-URL: https://github.com/nodejs/node/pull/58368
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: LiviaMedeiros <livia@cirno.name>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>

test/parallel/test-crypto-authenticated.js

@@ -561,17 +561,14 @@ for (const test of TEST_CASES) {
   const iv = Buffer.alloc(12);
   const opts = { authTagLength: 10 };
 
-  for (const cipher of [
-    crypto.createCipheriv(algo, key, iv, opts),
-  ]) {
-    assert.throws(() => {
-      cipher.final();
-    }, hasOpenSSL3 ? {
-      code: 'ERR_OSSL_TAG_NOT_SET'
-    } : {
-      message: /Unsupported state/
-    });
-  }
+  const cipher = crypto.createCipheriv(algo, key, iv, opts);
+  assert.throws(() => {
+    cipher.final();
+  }, hasOpenSSL3 ? {
+    code: 'ERR_OSSL_TAG_NOT_SET'
+  } : {
+    message: /Unsupported state/
+  });
 }
 
 {