diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index ef0c4a423..94dbb1731 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -70,4 +70,4 @@ jobs:
         pip install .
 
     - name: Run test
-      run: python -m unittest discover -s test
+      run: python -m unittest discover -s test -p "*test.py"
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 6d05e7504..8e6f78537 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -60,4 +60,4 @@ jobs:
         pip install .
 
     - name: Run test
-      run: python -m unittest discover -s test
+      run: python -m unittest discover -s test -p "*test.py"
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index ad6dc67d4..a8c48550b 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -69,4 +69,4 @@ jobs:
         popd
 
     - name: Run test
-      run: python -m unittest discover -s test
+      run: python -m unittest discover -s test -p "*test.py"