test/mocks: add cockpit os-release

Add a stub function for the `os-release` package from cockpit.

fec.config.js

@@ -112,6 +112,7 @@ module.exports = {
       // to false
       cockpit: false,
       'cockpit/fsinfo': false,
+      'os-release': false,
     },
   },
   routes: {

src/test/mocks/os-release/index.ts

@@ -0,0 +1,13 @@
+type osRelease = {
+  ID: string;
+  VERSION_ID: string;
+};
+
+export const read_os_release = (): Promise<osRelease> => {
+  return new Promise((resolve) => {
+    resolve({
+      ID: '',
+      VERSION_ID: '',
+    });
+  });
+};

vitest.config.ts

@@ -34,6 +34,7 @@ const config = {
         __dirname,
         'src/test/mocks/cockpit/fsinfo'
       ),
+      'os-release': path.resolve(__dirname, 'src/test/mocks/os-release'),
     },
   },
   esbuild: {