tests/installed: Move auto-build logic to playbook-run.sh

This makes it a bit more convenient to make a code change, then
`rm -rf build && ./playbook-run.sh ...`.

Closes: #1535
Approved by: jlebon

tests/installed/playbook-run.sh

@@ -3,6 +3,12 @@
 # TEST_SUBJECTS being set.
 set -xeuo pipefail
 
+dn=$(cd $(dirname $0) && pwd)
+if ! test -d build; then
+    mkdir -p build
+    (cd build && ${dn}/../../ci/build-rpm.sh)
+fi
+
 # https://fedoraproject.org/wiki/CI/Tests
 if test -z "${TEST_SUBJECTS:-}"; then
     cat <<EOF

tests/installed/run.sh

@@ -5,11 +5,6 @@ set -xeuo pipefail
 
 dn=$(cd $(dirname $0) && pwd)
 
-if ! test -d build; then
-    mkdir -p build
-    (cd build && ${dn}/../../ci/build-rpm.sh)
-fi
-
 # TODO: parallelize this
 PLAYBOOKS=${PLAYBOOKS:-nondestructive.yml destructive.yml}
 for playbook in $PLAYBOOKS; do