Fixed tests

    - echo "Changes Detected (if any):";

    - git diff --name-only $CI_COMMIT_SHA~ $CI_COMMIT_SHA || echo "No changes found";

    - |

      # Check if lab3.cpp exists

      if [ ! -f "lab3.cpp" ]; then

        echo "lab3.cpp does not exist";

      # Check that only one file was checked in

      - FILE_COUNT=$(git diff --name-only HEAD~1 | wc -l)

      if [ "$FILE_COUNT" -ne 1 ]; then

        echo "Error: Only one file should be committed.";

        exit 1;

      fi

      # Check if lab0.cpp has been merged into master

      git fetch origin master  # Fetch the latest master branch

      if git ls-tree -r origin/master --name-only | grep -q 'lab0.cpp'; then

        echo "Lab 0 complete";

      else

        echo "Please have lab 0 merged first";

      # Check if lab3.cpp exists

      if [ ! -f "lab3.cpp" ]; then

        echo "lab3.cpp does not exist";

        exit 1;

      fi

      # Check if lab1.cpp has been merged into master

      if git ls-tree -r origin/master --name-only | grep -q 'lab1.cpp'; then

        echo "Lab 1 complete";

      # Check if lab2.cpp has been merged into master

      if git ls-tree -r origin/master --name-only | grep -q 'lab2.cpp'; then

        echo "Lab 2 complete";

      else

        echo "Please have lab 1 merged first";

        echo "Please have lab 2 merged first";

        exit 1;

      fi

    - git clone https://agile.bu.edu/gitlab/configs/ec327/lab-configs/current.git base_3