fix: Reset isolateModules after failing

packages/jest-runtime/src/__tests__/runtime_require_module_or_mock.test.js

@@ -240,6 +240,21 @@ describe('isolateModules', () => {
       expect(exports.getState()).toBe(1);
     }));
 
+  it('resets module after failing', () =>
+    createRuntime(__filename, {
+      moduleNameMapper,
+    }).then(runtime => {
+      expect(() =>
+        runtime.isolateModules(() => {
+          throw new Error('Error from isolated module');
+        }),
+      ).toThrowError('Error from isolated module');
+
+      runtime.isolateModules(() => {
+        expect(true).toBe(true);
+      });
+    }));
+
   it('cannot nest isolateModules blocks', () =>
     createRuntime(__filename, {
       moduleNameMapper,

packages/jest-runtime/src/index.ts

@@ -539,9 +539,14 @@ class Runtime {
     }
     this._isolatedModuleRegistry = new Map();
     this._isolatedMockRegistry = new Map();
-    fn();
-    this._isolatedModuleRegistry = null;
-    this._isolatedMockRegistry = null;
+    try {
+      fn();
+    } catch (e) {
+      throw e;
+    } finally {
+      this._isolatedModuleRegistry = null;
+      this._isolatedMockRegistry = null;
+    }
   }
 
   resetModules() {