diff --git a/packages/bruno-js/src/sandbox/isolatedvm/index.js b/packages/bruno-js/src/sandbox/isolatedvm/index.js
index 2606939e9..cb35a3024 100644
--- a/packages/bruno-js/src/sandbox/isolatedvm/index.js
+++ b/packages/bruno-js/src/sandbox/isolatedvm/index.js
@@ -8,77 +8,13 @@ const addLibraryShimsToContext = require('./shims/lib');
 
 // execute `npm run build:isolated-vm:inbuilt-modules` if the below file doesn't exist
 const getBundledCode = require('../../bundle-browser-rollup');
+const addSleepShimToContext = require('./shims/sleep');
 
 const toNumber = (value) => {
   const num = Number(value);
   return Number.isInteger(num) ? parseInt(value, 10) : parseFloat(value);
 };
 
-class IsolatedVMStrict {
-  constructor() {
-    this.result = null;
-    this.init();
-  }
-
-  init() {
-    this.isolate = new ivm.Isolate();
-    this.context = this.isolate.createContextSync();
-    this.context.global.setSync('global', this.context.global.derefInto());
-    this.context.evalSync(`
-      let bru = {};
-      let req = {};
-      let res = {};
-    `);
-    this.context.global.setSync('setResult', (arg) => {
-      this.result = arg;
-    });
-  }
-
-  dispose() {
-    this.isolate.dispose();
-  }
-
-  reset() {
-    this.context.evalSync(`
-      bru = {};
-      req = {};
-      res = {};
-    `);
-  }
-
-  execute({ script: externalScript, context: externalContext, scriptType = 'script' }) {
-    if (!isNaN(Number(externalScript))) {
-      return toNumber(externalScript);
-    }
-    try {
-      const { bru, req, res } = externalContext;
-
-      bru && addBruShimToContext(this.context, bru);
-      req && addBrunoRequestShimToContext(this.context, req);
-      res && addBrunoResponseShimToContext(this.context, res);
-
-      const templateLiteralText = `
-        global.value = \`${externalScript}\`;
-        setResult(global.value);
-      `;
-
-      const jsExpressionText = `
-        global.value = ${externalScript};
-        setResult(global.value);
-      `;
-
-      let scriptText = scriptType === 'template-literal' ? templateLiteralText : jsExpressionText;
-
-      const script = this.isolate.compileScriptSync(scriptText);
-      script.runSync(this.context);
-      this.reset();
-      return this.result;
-    } catch (error) {
-      console.error('Error executing the script!', error);
-    }
-  }
-}
-
 const executeInIsolatedVMStrict = ({ script: externalScript, context: externalContext, scriptType = 'script' }) => {
   if (!isNaN(Number(externalScript))) {
     return Number(externalScript);
@@ -126,106 +62,6 @@ const executeInIsolatedVMStrict = ({ script: externalScript, context: externalCo
   isolate.dispose();
 };
 
-class IsolatedVMAsync {
-  constructor() {
-    this.result;
-    this.initPromise = this.init();
-  }
-
-  async init() {
-    this.isolate = new ivm.Isolate();
-    this.context = this.isolate.createContextSync();
-    this.context.global.setSync('global', this.context.global.derefInto());
-    this.context.evalSync(`
-      let bru = {};
-      let req = {};
-      let res = {};
-      let console = {};
-      global.requireObject = {};
-      global.require = (module) => {
-        return global.requireObject[module];
-      }
-    `);
-
-    try {
-      this.bundledCode = getBundledCode?.toString() || '';
-      await this.context.eval(`(${this.bundledCode})()`);
-    } catch (err) {
-      console.debug('Error bundling libraries', err);
-    }
-
-    await addLibraryShimsToContext(this.context);
-
-    this.context.global.setSync('setResult', (arg) => {
-      this.result = arg;
-    });
-  }
-
-  dispose() {
-    this.isolate.dispose();
-  }
-
-  reset() {
-    this.context.evalSync(`
-      bru = {};
-      req = {};
-      res = {};
-      console = {};
-    `);
-  }
-
-  async execute({ script: externalScript, context: externalContext, scriptType = 'script' }) {
-    await this.initPromise;
-    if (!isNaN(Number(externalScript))) {
-      return toNumber(externalScript);
-    }
-    let result;
-    try {
-      const { bru, req, res, test, __brunoTestResults, console: consoleFn } = externalContext;
-
-      bru && addBruShimToContext(this.context, bru);
-      req && addBrunoRequestShimToContext(this.context, req);
-      res && addBrunoResponseShimToContext(this.context, res);
-      consoleFn && addConsoleShimToContext(this.context, consoleFn);
-
-      test && __brunoTestResults && (await addTestShimToContext(this.context, __brunoTestResults));
-
-      const jsScriptText = `
-        new Promise(async (resolve, reject) => {
-          console?.debug && console.debug('isolated-vm:execution-start:');
-          try {
-            ${externalScript}
-          } catch (error) {
-            console?.debug && console.debug('isolated-vm:execution-end:with-error', error?.message);
-          }
-          console?.debug && console.debug('isolated-vm:execution-end:');
-          resolve();
-        });
-      `;
-      const templateLiteralText = `
-        global.value = \`${externalScript}\`;
-        setResult(global.value);
-      `;
-      const jsExpressionText = `
-        global.value = ${externalScript};
-        setResult(global.value);
-      `;
-      let scriptText =
-        scriptType === 'template-literal'
-          ? templateLiteralText
-          : scriptType === 'expression'
-          ? jsExpressionText
-          : jsScriptText;
-      const script = await this.isolate.compileScript(scriptText);
-      await script.run(this.context);
-      this.reset();
-      return this.result;
-    } catch (error) {
-      console.error('Error executing the script!', error);
-    }
-  }
-}
-
 const executeInIsolatedVMAsync = async ({
   script: externalScript,
   context: externalContext,
@@ -247,11 +83,7 @@ const executeInIsolatedVMAsync = async ({
       let res = {};
       let console = {};
       global.requireObject = {};
-      global.require = (module) => {
-        return global.requireObject[module];
-      }
     `);
-    await addLibraryShimsToContext(this.context);
 
     context.global.setSync('log', function (...args) {
       console.debug(...args);
@@ -270,6 +102,7 @@ const executeInIsolatedVMAsync = async ({
     req && addBrunoRequestShimToContext(context, req);
     res && addBrunoResponseShimToContext(context, res);
     consoleFn && addConsoleShimToContext(context, consoleFn);
+    addSleepShimToContext(context);
 
     await context.eval(
       `
@@ -279,6 +112,8 @@ const executeInIsolatedVMAsync = async ({
       `
     );
 
+    await addLibraryShimsToContext(context);
+
     test && __brunoTestResults && (await addTestShimToContext(context, __brunoTestResults));
 
     context.global.setSync('setResult', function (arg) {
@@ -287,6 +122,8 @@ const executeInIsolatedVMAsync = async ({
 
     const jsScriptText = `
       new Promise(async (resolve, reject) => {
+        // modify the setTimeout function with the shim to work-around the callback-function clone issues
+        setTimeout = global.setTimeout;
         console?.debug && console.debug('isolated-vm:execution-start:');
         try {
           ${externalScript}
diff --git a/packages/bruno-js/src/sandbox/isolatedvm/shims/lib/axios.js b/packages/bruno-js/src/sandbox/isolatedvm/shims/lib/axios.js
index 74740d31e..b6e9d1888 100644
--- a/packages/bruno-js/src/sandbox/isolatedvm/shims/lib/axios.js
+++ b/packages/bruno-js/src/sandbox/isolatedvm/shims/lib/axios.js
@@ -22,7 +22,8 @@ const addAxiosShimToContext = async (context) => {
         let args = argStrings?.map((arg) => JSON.parse(arg));
         const res = await axios(...args)
           .then((response) => {
-            return cleanJson(response?.data);
+            const { status, headers, data } = response || {};
+            return cleanJson({ status, headers, data });
           })
           .catch((err) => {
             return {
@@ -37,7 +38,8 @@ const addAxiosShimToContext = async (context) => {
         const res = await axios
           .get(...args)
           .then((response) => {
-            return cleanJson(response?.data);
+            const { status, headers, data } = response || {};
+            return cleanJson({ status, headers, data });
           })
           .catch((err) => {
             return {
@@ -52,7 +54,8 @@ const addAxiosShimToContext = async (context) => {
         const res = await axios
           .post(...args)
           .then((response) => {
-            return cleanJson(response?.data);
+            const { status, headers, data } = response || {};
+            return cleanJson({ status, headers, data });
           })
           .catch((err) => {
             return {
@@ -67,7 +70,8 @@ const addAxiosShimToContext = async (context) => {
         const res = await axios
           .put(...args)
           .then((response) => {
-            return cleanJson(response?.data);
+            const { status, headers, data } = response || {};
+            return cleanJson({ status, headers, data });
           })
           .catch((err) => {
             return {
@@ -82,7 +86,8 @@ const addAxiosShimToContext = async (context) => {
         const res = await axios
           .delete(...args)
           .then((response) => {
-            return cleanJson(response?.data);
+            const { status, headers, data } = response || {};
+            return cleanJson({ status, headers, data });
           })
           .catch((err) => {
             return {
@@ -97,7 +102,8 @@ const addAxiosShimToContext = async (context) => {
         const res = await axios
           .patch(...args)
           .then((response) => {
-            return cleanJson(response?.data);
+            const { status, headers, data } = response || {};
+            return cleanJson({ status, headers, data });
           })
           .catch((err) => {
             return {
diff --git a/packages/bruno-js/src/sandbox/isolatedvm/shims/sleep.js b/packages/bruno-js/src/sandbox/isolatedvm/shims/sleep.js
new file mode 100644
index 000000000..14ce92e30
--- /dev/null
+++ b/packages/bruno-js/src/sandbox/isolatedvm/shims/sleep.js
@@ -0,0 +1,32 @@
+const ivm = require('isolated-vm');
+const addSleepShimToContext = (context, console) => {
+  context.evalClosureSync(
+    `
+      global.sleep = (...args) => $0.applySyncPromise(undefined, args?.map(arg=>JSON.stringify(arg)));
+  `,
+    [
+      async (...argStrings) => {
+        await new Promise((resolve) => {
+          const timer = Number(argStrings?.[0]);
+          if (!Number.isInteger(timer) || timer < 0) {
+            resolve();
+          }
+          setTimeout(() => {
+            resolve();
+          }, timer);
+        });
+        return new ivm.ExternalCopy('done').copyInto({ release: true });
+      }
+    ],
+    { arguments: { reference: true } }
+  );
+
+  context.evalSync(`
+    global.setTimeout = async (fn, timer) => {
+      await sleep(timer);
+      await fn.apply();
+    }
+  `);
+};
+
+module.exports = addSleepShimToContext;