test,benchmark: fix test-benchmark-zlib

PR-URL: #31538
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>

Author: Trott

benchmark/zlib/deflate.js

@@ -9,6 +9,8 @@ const bench = common.createBenchmark(main, {
 });
 
 function main({ n, method, inputLen }) {
+  // Default method value for testing.
+  method = method || 'deflate';
   const chunk = Buffer.alloc(inputLen, 'a');
 
   var i = 0;

benchmark/zlib/inflate.js

@@ -9,6 +9,8 @@ const bench = common.createBenchmark(main, {
 });
 
 function main({ n, method, inputLen }) {
+  // Default method value for tests.
+  method = method || 'inflate';
   const chunk = zlib.deflateSync(Buffer.alloc(inputLen, 'a'));
 
   let i = 0;

test/benchmark/test-benchmark-zlib.js

@@ -10,7 +10,7 @@ runBenchmark('zlib',
                'chunkLen=1024',
                'duration=0.001',
                'inputLen=1024',
-               'method=deflate',
+               'method=',
                'n=1',
                'options=true',
                'type=Deflate',