updated the test

tests/setup/babel-plugin-import-meta.cjs

@@ -0,0 +1,28 @@
+/**
+ * Rewrites `import.meta` so Babel can compile Vite source to CommonJS for Jest.
+ *
+ * `import.meta` is only legal inside a real ES module; babel-jest compiles to
+ * CJS, so every file that reads `import.meta.env` (api/doormile/client.js,
+ * lib/distance.js) is a hard parse error without this.
+ *
+ * It resolves to `globalThis.__VITE_IMPORT_META__` — a plain object the test
+ * setup seeds and individual tests can override, which is the seam that lets a
+ * test exercise `VITE_DOORMILE_URL` / `VITE_OSRM_URL` overrides at all.
+ */
+module.exports = function importMetaPlugin({ types: t }) {
+  return {
+    name: 'transform-import-meta-for-jest',
+    visitor: {
+      MetaProperty(path) {
+        if (path.node.meta.name !== 'import' || path.node.property.name !== 'meta') return;
+        path.replaceWith(
+          t.logicalExpression(
+            '||',
+            t.memberExpression(t.identifier('globalThis'), t.identifier('__VITE_IMPORT_META__')),
+            t.objectExpression([t.objectProperty(t.identifier('env'), t.objectExpression([]))])
+          )
+        );
+      },
+    },
+  };
+};

tests/setup/fileMock.cjs

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+module.exports = 'test-file-stub';

tests/setup/jest.setup.cjs

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+require('@testing-library/jest-dom');
+
+/**
+ * The `import.meta.env` stand-in (see babel-plugin-import-meta.cjs).
+ *
+ * Defaults to production-shaped values — no VITE_ overrides, DEV false — so a
+ * module that branches on an override only does so in the test that asks for
+ * it. Reset before every test so one test's override cannot leak into the next.
+ */
+const defaultImportMeta = () => ({ env: { DEV: false, PROD: true, MODE: 'test' } });
+
+globalThis.__VITE_IMPORT_META__ = defaultImportMeta();
+
+beforeEach(() => {
+  globalThis.__VITE_IMPORT_META__ = defaultImportMeta();
+  localStorage.clear();
+  jest.clearAllMocks();
+});

tests/setup/styleMock.cjs

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+// CSS/asset imports carry no behaviour worth asserting; Jest cannot parse them.
+module.exports = {};