Apply suggestions from code review

Author: jasnell

test/parallel/test-crypto-dh-errors.js

@@ -45,7 +45,6 @@ for (const g of [-1, 1]) {
     name: 'Error',
     message: /bad generator/,
   };
-
   assert.throws(() => crypto.createDiffieHellman('abcdef', g), ex);
   assert.throws(() => crypto.createDiffieHellman('abcdef', 'hex', g), ex);
 }
@@ -55,6 +54,7 @@ for (const g of [Buffer.from([]),
                  Buffer.from([1])]) {
   const ex = {
     code: 'ERR_OSSL_DH_BAD_GENERATOR',
+    name: 'Error',
     message: /bad generator/,
   };
   assert.throws(() => crypto.createDiffieHellman('abcdef', g), ex);