Fix reruns of test in scripts

This is a mocha caching and cleanup issue addressed here: mochajs/mocha#2783. Relates to #1720
NomicFoundation · Dec 8, 2021 · 8de63c1 · 8de63c1
1 parent 6e5a6cb
commit 8de63c1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/hardhat-core/src/builtin-tasks/test.ts b/packages/hardhat-core/src/builtin-tasks/test.ts
@@ -53,10 +53,16 @@ subtask(TASK_TEST_RUN_MOCHA_TESTS)
     const mocha = new Mocha(config.mocha);
     testFiles.forEach((file) => mocha.addFile(file));
 
+    // @ts-expect-error
+    mocha.cleanReferencesAfterRun(false);
+
     const testFailures = await new Promise<number>((resolve) => {
       mocha.run(resolve);
     });
 
+    // @ts-expect-error
+    mocha.dispose();
+
     return testFailures;
   });