diff --git a/packages/core/src/module-resolver.ts b/packages/core/src/module-resolver.ts
index a14661178..18f2afb5c 100644
--- a/packages/core/src/module-resolver.ts
+++ b/packages/core/src/module-resolver.ts
@@ -484,9 +484,9 @@ export class Resolver {
   private handleImplicitTestScripts<R extends ModuleRequest>(request: R): R {
     //TODO move the extra forwardslash handling out into the vite plugin
     const candidates = [
-      '@embroider/core/test-support.js',
-      '/@embroider/core/test-support.js',
-      './@embroider/core/test-support.js',
+      '@embroider/virtual/test-support.js',
+      '/@embroider/virtual/test-support.js',
+      './@embroider/virtual/test-support.js',
     ];
 
     if (!candidates.includes(request.specifier)) {
@@ -496,7 +496,7 @@ export class Resolver {
     let pkg = this.packageCache.ownerOfFile(request.fromFile);
     if (pkg?.root !== this.options.engines[0].root) {
       throw new Error(
-        `bug: found an import of ${request.specifier} in ${request.fromFile}, but this is not the top-level Ember app. The top-level Ember app is the only one that has support for @embroider/core/test-support.js. If you think something should be fixed in Embroider, please open an issue on https://github.com/embroider-build/embroider/issues.`
+        `bug: found an import of ${request.specifier} in ${request.fromFile}, but this is not the top-level Ember app. The top-level Ember app is the only one that has support for @embroider/virtual/test-support.js. If you think something should be fixed in Embroider, please open an issue on https://github.com/embroider-build/embroider/issues.`
       );
     }
 
@@ -506,9 +506,9 @@ export class Resolver {
   private handleTestSupportStyles<R extends ModuleRequest>(request: R): R {
     //TODO move the extra forwardslash handling out into the vite plugin
     const candidates = [
-      '@embroider/core/test-support.css',
-      '/@embroider/core/test-support.css',
-      './@embroider/core/test-support.css',
+      '@embroider/virtual/test-support.css',
+      '/@embroider/virtual/test-support.css',
+      './@embroider/virtual/test-support.css',
     ];
 
     if (!candidates.includes(request.specifier)) {
@@ -518,7 +518,7 @@ export class Resolver {
     let pkg = this.packageCache.ownerOfFile(request.fromFile);
     if (pkg?.root !== this.options.engines[0].root) {
       throw new Error(
-        `bug: found an import of ${request.specifier} in ${request.fromFile}, but this is not the top-level Ember app. The top-level Ember app is the only one that has support for @embroider/core/test-support.css. If you think something should be fixed in Embroider, please open an issue on https://github.com/embroider-build/embroider/issues.`
+        `bug: found an import of ${request.specifier} in ${request.fromFile}, but this is not the top-level Ember app. The top-level Ember app is the only one that has support for @embroider/virtual/test-support.css. If you think something should be fixed in Embroider, please open an issue on https://github.com/embroider-build/embroider/issues.`
       );
     }
 
diff --git a/packages/vite/src/resolver.ts b/packages/vite/src/resolver.ts
index 7b3211d86..99cb56303 100644
--- a/packages/vite/src/resolver.ts
+++ b/packages/vite/src/resolver.ts
@@ -89,7 +89,7 @@ export function resolver(): Plugin {
       });
       this.emitFile({
         type: 'asset',
-        fileName: '@embroider/core/test-support.js',
+        fileName: '@embroider/virtual/test-support.js',
         source: virtualContent(
           resolve(resolverLoader.resolver.options.engines[0].root, '-embroider-test-support.js'),
           resolverLoader.resolver
diff --git a/tests/addon-template/tests/index.html b/tests/addon-template/tests/index.html
index 3a4e7d968..4499381f8 100644
--- a/tests/addon-template/tests/index.html
+++ b/tests/addon-template/tests/index.html
@@ -11,7 +11,7 @@
 
     <link rel="stylesheet" href="/@embroider/virtual/vendor.css">
     <link rel="stylesheet" href="/assets/dummy.css">
-    <link rel="stylesheet" href="/@embroider/core/test-support.css">
+    <link rel="stylesheet" href="/@embroider/virtual/test-support.css">
 
     {{content-for "head-footer"}}
     {{content-for "test-head-footer"}}
@@ -29,7 +29,7 @@
 
     <script src="/testem.js" integrity="" data-embroider-ignore></script>
     <script src="/@embroider/virtual/vendor.js"></script>
-    <script src="/@embroider/core/test-support.js"></script>
+    <script src="/@embroider/virtual/test-support.js"></script>
     <script type="module">import "ember-testing";</script>
 
     <script type="module">
diff --git a/tests/app-template/tests/index.html b/tests/app-template/tests/index.html
index fa9b5a099..13780e80d 100644
--- a/tests/app-template/tests/index.html
+++ b/tests/app-template/tests/index.html
@@ -10,7 +10,7 @@
 
     <link rel="stylesheet" href="/@embroider/virtual/vendor.css" />
     <link rel="stylesheet" href="/assets/app-template.css" />
-    <link rel="stylesheet" href="/@embroider/core/test-support.css" />
+    <link rel="stylesheet" href="/@embroider/virtual/test-support.css" />
 
     {{content-for "head-footer"}} {{content-for "test-head-footer"}}
   </head>
@@ -26,7 +26,7 @@
 
     <script src="/testem.js" integrity="" data-embroider-ignore></script>
     <script src="/@embroider/virtual/vendor.js"></script>
-    <script src="/@embroider/core/test-support.js"></script>
+    <script src="/@embroider/virtual/test-support.js"></script>
     <script type="module">import "ember-testing";</script>
 
     <script type="module">
diff --git a/tests/fixtures/macro-sample-addon/tests/index.html b/tests/fixtures/macro-sample-addon/tests/index.html
index 3a4e7d968..4499381f8 100644
--- a/tests/fixtures/macro-sample-addon/tests/index.html
+++ b/tests/fixtures/macro-sample-addon/tests/index.html
@@ -11,7 +11,7 @@
 
     <link rel="stylesheet" href="/@embroider/virtual/vendor.css">
     <link rel="stylesheet" href="/assets/dummy.css">
-    <link rel="stylesheet" href="/@embroider/core/test-support.css">
+    <link rel="stylesheet" href="/@embroider/virtual/test-support.css">
 
     {{content-for "head-footer"}}
     {{content-for "test-head-footer"}}
@@ -29,7 +29,7 @@
 
     <script src="/testem.js" integrity="" data-embroider-ignore></script>
     <script src="/@embroider/virtual/vendor.js"></script>
-    <script src="/@embroider/core/test-support.js"></script>
+    <script src="/@embroider/virtual/test-support.js"></script>
     <script type="module">import "ember-testing";</script>
 
     <script type="module">
diff --git a/tests/fixtures/macro-test/tests/index.html b/tests/fixtures/macro-test/tests/index.html
index ffcb8d4d4..f6a21fea2 100644
--- a/tests/fixtures/macro-test/tests/index.html
+++ b/tests/fixtures/macro-test/tests/index.html
@@ -12,7 +12,7 @@
 
     <link rel="stylesheet" href="/@embroider/virtual/vendor.css">
     <link rel="stylesheet" href="/assets/app-template.css">
-    <link rel="stylesheet" href="/@embroider/core/test-support.css">
+    <link rel="stylesheet" href="/@embroider/virtual/test-support.css">
 
     {{content-for "head-footer"}}
     {{content-for "test-head-footer"}}
@@ -35,7 +35,7 @@
     <script src="/@embroider/virtual/vendor.js"></script>
     <script src="{{rootURL}}apple.js"></script>
     <script src="{{rootURL}}ordered.js"></script>
-    <script src="/@embroider/core/test-support.js"></script>
+    <script src="/@embroider/virtual/test-support.js"></script>
     <script type="module">import "ember-testing";</script>
 
     <script type="module">
diff --git a/tests/scenarios/compat-addon-classic-features-test.ts b/tests/scenarios/compat-addon-classic-features-test.ts
index 2849d7443..3b1df54fb 100644
--- a/tests/scenarios/compat-addon-classic-features-test.ts
+++ b/tests/scenarios/compat-addon-classic-features-test.ts
@@ -152,7 +152,7 @@ appScenarios
         assert.equal(result.exitCode, 0, result.output);
 
         assert.true(lstatSync(`${app.dir}/dist/@embroider/virtual/vendor.js`).isFile());
-        assert.true(lstatSync(`${app.dir}/dist/@embroider/core/test-support.js`).isFile());
+        assert.true(lstatSync(`${app.dir}/dist/@embroider/virtual/test-support.js`).isFile());
       });
 
       test('virtual scripts contents are served in dev mode', async function (assert) {
@@ -168,7 +168,7 @@ appScenarios
           let text = await response.text();
           assert.true(!text.includes('<!DOCTYPE html>'));
 
-          response = await fetch(`${url}/@embroider/core/test-support.js`);
+          response = await fetch(`${url}/@embroider/virtual/test-support.js`);
           assert.strictEqual(response.status, 200);
           // checking the response status 200 is not enough to assert test-support.js is served,
           // because when the URL is not recognized, the response contains the index.html
@@ -244,7 +244,7 @@ appScenarios
           let text = await response.text();
           assert.true(text.includes('.my-addon-p { color: blue; }'));
 
-          response = await fetch(`${url}/@embroider/core/test-support.css?direct`);
+          response = await fetch(`${url}/@embroider/virtual/test-support.css?direct`);
           text = await response.text();
           assert.true(text.includes('#qunit-tests'));
         } finally {
diff --git a/tests/ts-app-template/tests/index.html b/tests/ts-app-template/tests/index.html
index c0a6c830c..4c976eba1 100644
--- a/tests/ts-app-template/tests/index.html
+++ b/tests/ts-app-template/tests/index.html
@@ -11,7 +11,7 @@
 
     <link rel="stylesheet" href="/@embroider/virtual/vendor.css">
     <link rel="stylesheet" href="/assets/ts-app-template.css">
-    <link rel="stylesheet" href="/@embroider/core/test-support.css">
+    <link rel="stylesheet" href="/@embroider/virtual/test-support.css">
 
     {{content-for "head-footer"}}
     {{content-for "test-head-footer"}}
@@ -29,7 +29,7 @@
 
     <script src="/testem.js" integrity="" data-embroider-ignore></script>
     <script src="/@embroider/virtual/vendor.js"></script>
-    <script src="/@embroider/core/test-support.js"></script>
+    <script src="/@embroider/virtual/test-support.js"></script>
     <script type="module">import "ember-testing";</script>
 
     <script type="module">