diff --git a/test/common/inspector-helper.js b/test/common/inspector-helper.js
index 4890fa68c46110..24c4c81605a3c4 100644
--- a/test/common/inspector-helper.js
+++ b/test/common/inspector-helper.js
@@ -255,8 +255,8 @@ class InspectorSession {
       const callFrame = message.params.callFrames[0];
       const location = callFrame.location;
       const scriptPath = this._scriptsIdsByUrl.get(location.scriptId);
-      assert.strictEqual(scriptPath.toString(),
-                         expectedScriptPath.toString(),
+      assert.strictEqual(decodeURIComponent(scriptPath),
+                         decodeURIComponent(expectedScriptPath),
                          `${scriptPath} !== ${expectedScriptPath}`);
       assert.strictEqual(location.lineNumber, line);
       return true;
diff --git a/test/es-module/test-esm-import-meta-resolve.mjs b/test/es-module/test-esm-import-meta-resolve.mjs
index a9c26b7aecb926..f3b153062192af 100644
--- a/test/es-module/test-esm-import-meta-resolve.mjs
+++ b/test/es-module/test-esm-import-meta-resolve.mjs
@@ -45,7 +45,7 @@ assert.deepStrictEqual(
   { default: 'some://weird/protocol' },
 );
 assert.deepStrictEqual(
-  { ...await import(`data:text/javascript,export default import.meta.resolve("baz/", ${JSON.stringify(fixtures)})`) },
+  { ...await import(`data:text/javascript,export default import.meta.resolve("baz/", ${encodeURIComponent(JSON.stringify(fixtures))})`) },
   { default: fixtures + 'node_modules/baz/' },
 );
 assert.deepStrictEqual(
diff --git a/test/es-module/test-esm-loader-hooks.mjs b/test/es-module/test-esm-loader-hooks.mjs
index a82d23df03dfd6..717416d93e26c6 100644
--- a/test/es-module/test-esm-loader-hooks.mjs
+++ b/test/es-module/test-esm-loader-hooks.mjs
@@ -787,7 +787,7 @@ describe('Loader hooks', { concurrency: true }, () => {
     const { code, signal, stdout, stderr } = await spawnPromisified(execPath, [
       '--no-warnings',
       '--experimental-loader',
-      `data:text/javascript,const fixtures=${JSON.stringify(fixtures.path('empty.js'))};export ${
+      `data:text/javascript,const fixtures=${encodeURI(JSON.stringify(fixtures.path('empty.js')))};export ${
         encodeURIComponent(function resolve(s, c, n) {
           if (s.endsWith('entry-point')) {
             return {