diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e6dbf72784..d7f3959eb8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,6 +20,18 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
 
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v2
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
       - run: make node_modules
         name: Install dependencies
 
diff --git a/src/main/__test__/kubeconfig-manager.test.ts b/src/main/__test__/kubeconfig-manager.test.ts
index a272d1e597..1cc39a4ada 100644
--- a/src/main/__test__/kubeconfig-manager.test.ts
+++ b/src/main/__test__/kubeconfig-manager.test.ts
@@ -84,7 +84,9 @@ describe("kubeconfig manager tests", () => {
 
     expect(logger.error).not.toBeCalled();
     expect(await kubeConfManager.getPath()).toBe(`tmp${path.sep}kubeconfig-foo`);
-    const file = await fse.readFile(await kubeConfManager.getPath());
+    // this causes an intermittent "ENXIO: no such device or address, read" error
+    //    const file = await fse.readFile(await kubeConfManager.getPath());
+    const file = fse.readFileSync(await kubeConfManager.getPath());
     const yml = loadYaml<any>(file.toString());
 
     expect(yml["current-context"]).toBe("minikube");