diff --git a/files/babel.config.cjs b/files/babel.config.cjs
index ce930e9..7fe5715 100644
--- a/files/babel.config.cjs
+++ b/files/babel.config.cjs
@@ -10,7 +10,14 @@ const {
   templateCompatSupport,
 } = require('@embroider/compat/babel');
 
-const macros = buildMacros();
+const macros = buildMacros({
+  configure(config) {
+    if (process.env.EMBER_ENV === "test") {
+      config.enableRuntimeMode();
+    }
+  },
+});
+
 
 // For scenario testing
 const isCompat = Boolean(process.env.ENABLE_COMPAT_BUILD);
diff --git a/files/package.json b/files/package.json
index 6cd454e..df8aac1 100644
--- a/files/package.json
+++ b/files/package.json
@@ -27,7 +27,7 @@
     "lint:types": "ember-tsc --noEmit<% } %>",
     "lint:publish": "<%= runScript %> build && publint run --level error",
     "start": "vite dev",
-    "test": "vite build --mode=development --out-dir dist-tests && testem --file testem.cjs ci --port 0",
+    "test": "EMBER_ENV=test vite build --mode=development --out-dir dist-tests && testem --file testem.cjs ci --port 0",
     "prepack": "rollup --config"
   },
   "dependencies": {