Add SVN Install to the check_input_data_repo CI test (#223)

* Add Upterm Session

* Install SVN

* With Root

* Add Update

* Minor COmmet Change

.github/workflows/general-ci-tests.yml

@@ -1,10 +1,6 @@
 name: General MOM_interface CI
-
-# This CI workflow tests against the following questions: 
-# 1. Does standalone mom build and run?
-# 2. Does it pass the tests/check_default_params.py test?
-# 3. Do the scripts in cime_config pass the black formatter? 
-# Please see Issue #138 for more information
+
+# Please see Issue #138 for more information on this CI workflow
 
 # Controls when the workflow will run
 on:
@@ -60,7 +56,7 @@ jobs:
           cd $GITHUB_WORKSPACE/CESM/components/mom/
           git checkout ${{ github.sha }}
 
-      # Build the standalone mom using the macos script. build_examples-ncar doesn't work.    
+      # Build the standalone mom using the ubuntu script. 
       - name: Build Standalone MOM
         run: |
           cd $GITHUB_WORKSPACE/CESM/components/mom/standalone/build
@@ -111,10 +107,11 @@ jobs:
     steps:
       # Checkout the repo
       - uses: actions/checkout@v4
-      
+
       # Run the test
       - name: Run the check_input_data_repo script
         run: |
+          sudo apt-get update && sudo apt-get install -y subversion
           pip install 'svn>=1,<1.1'
           python tests/check_input_data_repo.py