diff --git a/.pnp.cjs b/.pnp.cjs
index 29afe9c5ddbb..8d8f97526c76 100755
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -50107,6 +50107,7 @@ var __objRest = (source, exclude) => {
 };
 const localFs = __spreadValues({}, fs__default.default);
 const nodeFs = new NodeFS(localFs);
+nodeFs.__test = true;
 const defaultRuntimeState = $$SETUP_STATE(hydrateRuntimeState);
 const defaultPnpapiResolution = __filename;
 const defaultFsLayer = new VirtualFS({
diff --git a/.yarn/versions/9f750ca7.yml b/.yarn/versions/9f750ca7.yml
new file mode 100644
index 000000000000..1494bd471424
--- /dev/null
+++ b/.yarn/versions/9f750ca7.yml
@@ -0,0 +1,23 @@
+releases:
+  "@yarnpkg/cli": patch
+  "@yarnpkg/plugin-compat": patch
+
+declined:
+  - "@yarnpkg/plugin-constraints"
+  - "@yarnpkg/plugin-dlx"
+  - "@yarnpkg/plugin-essentials"
+  - "@yarnpkg/plugin-init"
+  - "@yarnpkg/plugin-interactive-tools"
+  - "@yarnpkg/plugin-nm"
+  - "@yarnpkg/plugin-npm-cli"
+  - "@yarnpkg/plugin-pack"
+  - "@yarnpkg/plugin-patch"
+  - "@yarnpkg/plugin-pnp"
+  - "@yarnpkg/plugin-pnpm"
+  - "@yarnpkg/plugin-stage"
+  - "@yarnpkg/plugin-typescript"
+  - "@yarnpkg/plugin-version"
+  - "@yarnpkg/plugin-workspace-tools"
+  - "@yarnpkg/builder"
+  - "@yarnpkg/core"
+  - "@yarnpkg/doctor"
diff --git a/packages/plugin-compat/sources/extensions.ts b/packages/plugin-compat/sources/extensions.ts
index b3d4813bd70c..e073bef6fd17 100644
--- a/packages/plugin-compat/sources/extensions.ts
+++ b/packages/plugin-compat/sources/extensions.ts
@@ -762,4 +762,10 @@ export const packageExtensions: Array<[string, PackageExtensionData]> = [
       '@vue/runtime-dom': `^3.2.26`,
     },
   }],
+  // https://github.com/cypress-io/snapshot/pull/159
+  [`@cypress/snapshot@*`, {
+    dependencies: {
+      debug: `^3.2.7`,
+    },
+  }],
 ];