Improve list rendering. (#554)

Author: delucchi-cmu

docs/practices/ci_testing.rst

@@ -38,18 +38,23 @@ updates is a good place to start. The smoke test has a "List dependencies" stage
 that will print out all packages installed through pip and their installed versions.
 
 1. Find the last successful run of the smoke test
+
    1. github repo -> Actions
    2. "Unit test smoke test"
    3. Scroll until you find a green check
    4. Pick a python versioned build
    5. Expand "List dependencies"
    6. Cut'n'paste the list to a file, e.g. "pass.txt"
+
 2. Find a failed run.
+
    1. From the "Unit test smoke test" page, find the first red check
    2. Pick a python versioned build
    3. Expand "List dependencies"
    4. Cut'n'paste the list to a file, e.g. "fail.txt"
+
 3. Diff those lists
+
    1. e.g. ``diff pass.txt fail.txt``
    2. Or use an online diff tool like https://www.diffchecker.com/