diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 27fe433..2c44c53 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,6 +14,26 @@ jobs:
     - name: checkout
       uses: actions/checkout@v1
 
+    - name: correct password but wrong key
+      uses: ./
+      with:
+        host: ${{ secrets.HOST }}
+        username: ${{ secrets.USERNAME }}
+        password: ${{ secrets.PASSWORD }}
+        key: "1234"
+        port: ${{ secrets.PORT }}
+        script: whoami
+
+    - name: wrong password but correct key
+      uses: ./
+      with:
+        host: ${{ secrets.HOST }}
+        username: ${{ secrets.USERNAME }}
+        password: "abcdef"
+        key: ${{ secrets.KEY }}
+        port: ${{ secrets.PORT }}
+        script: whoami
+
     - name: executing remote ssh commands using password
       uses: ./
       with: