Adds second wait time if TestPyPI install fails

.github/workflows/publish_testpypi.yml

@@ -86,6 +86,28 @@ jobs:
         time: '150'  # seconds
 
     - name: Install latest TestPyPI version in fresh venv
+      id: attempt1
+      run: |
+        NII2DCM_VERSION=`echo "$(nii2dcm -v)"`
+        echo $NII2DCM_VERSION
+        python -m venv nii2dcm-temp
+        source nii2dcm-temp/bin/activate
+        pip install --upgrade pip
+        pip install setuptools wheel
+        pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ nii2dcm==$NII2DCM_VERSION
+        nii2dcm -h
+        echo "nii2dcm version:"
+        nii2dcm -v
+      continue-on-error: true
+
+    - name: Wait longer
+      if: steps.attempt1.outcome != 'success'
+      uses: GuillaumeFalourd/wait-sleep-action@v1
+      with:
+        time: '150'  # seconds
+
+    - name: Re-attempt TestPyPI install
+      if: steps.attempt1.outcome != 'success'
       run: |
         NII2DCM_VERSION=`echo "$(nii2dcm -v)"`
         echo $NII2DCM_VERSION