diff --git a/test/common/README.md b/test/common/README.md
index a941d531391e8c..86c6e4208a648d 100644
--- a/test/common/README.md
+++ b/test/common/README.md
@@ -1027,6 +1027,13 @@ Avoid calling it more than once in an asynchronous context as one call
 might refresh the temporary directory of a different context, causing
 the test to fail somewhat mysteriously.
 
+### `resolve([...paths])`
+
+* `...paths` [\<string>][<string>]
+* return [\<string>][<string>]
+
+Resolves a sequence of paths into absolute path in the temporary directory.
+
 ### `hasEnoughSpace(size)`
 
 * `size` [\<number>][<number>] Required size, in bytes.
diff --git a/test/common/tmpdir.js b/test/common/tmpdir.js
index 94e6a4552a4fa6..decfa97a892771 100644
--- a/test/common/tmpdir.js
+++ b/test/common/tmpdir.js
@@ -55,6 +55,10 @@ function onexit() {
   }
 }
 
+function resolve(...paths) {
+  return path.resolve(tmpPath, ...paths);
+}
+
 function hasEnoughSpace(size) {
   const { bavail, bsize } = fs.statfsSync(tmpPath);
   return bavail >= Math.ceil(size / bsize);
@@ -64,4 +68,5 @@ module.exports = {
   path: tmpPath,
   refresh,
   hasEnoughSpace,
+  resolve,
 };