avoid out of memory

Author: chemzqm

src/__tests__/modules/extensionAll.test.ts

@@ -25,9 +25,9 @@ describe('Test dependencies ', () => {
     // optionalDependencies
     console.log(`total: ${names.length}`)
     let registry = new URL('https://registry.npmjs.org/')
-    let session = new DependencySession(registry, os.tmpdir())
 
     for (let name of names) {
+      let session = new DependencySession(registry, os.tmpdir())
       console.log(`Checking module ${name}`)
       try {
         let dep = session.createInstaller(os.tmpdir(), () => {})