We need svn to run some test cases

Author: benmwebb

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        sudo apt-get -qq update && sudo apt-get install -y libtest-exception-perl libtest-output-perl libdevel-cover-perl acl cpanminus libcgi-pm-perl perl-doc
+        sudo apt-get -qq update && sudo apt-get install -y libtest-exception-perl libtest-output-perl libdevel-cover-perl acl cpanminus libcgi-pm-perl perl-doc subversion
         pip install codecov flask pytest-cov pytest-flake8 coverage scons ihm
     - name: Test
       run: |