fix(ci): ignore errors so we can capture the exit status

The rest of the script was not executed because we run the script under
`-e`. Disable errors so we can capture the exit code and print the
information.

Fixes: a46b60e

Signed-off-by: Pablo Barbáchano <pablob@amazon.com>

Author: pb8o

tools/test.sh

@@ -36,8 +36,14 @@ cp -ruvf build/img /srv
 
 cd tests
 export PYTEST_ADDOPTS="${PYTEST_ADDOPTS:-} --pdbcls=IPython.terminal.debugger:TerminalPdb"
-pytest "$@"
-ret=$?
+
+{
+    # disable errexit momentarily so we can capture the exit status
+    set +e
+    pytest "$@"
+    ret=$?
+    set -e
+}
 
 # if the tests failed and we are running in CI, print some disk usage stats
 # to help troubleshooting