Validate and pin the testing overlay collection dependencies

tests/integration

@@ -22,6 +22,7 @@ baseline_args=(
   -e "dnd_pipeline_campaigns_revision=$campaigns_revision"
   -e "dnd_pipeline_prompt_library_repository_url=file://$prompt_library_repository"
   -e "dnd_pipeline_prompt_library_revision=$prompt_library_revision"
+  -e 'dnd_pipeline_notarius_testing_llm_profile=gpt-terra-latest'
   -e '{"dnd_pipeline_secrets":{"AUDITA_LLM_API_KEY":"audita-pipeline-synthetic-value","OPENROUTER_API_KEY":"notarius-pipeline-synthetic-value","OBJECT_STORAGE_KEY_ID":"object-storage-key-id-pipeline-synthetic-value","OBJECT_STORAGE_KEY":"object-storage-key-pipeline-synthetic-value"}}'
 )
 
@@ -65,11 +66,36 @@ run_converge "$baseline_log"
 /usr/local/bin/audita config validate --config /usr/local/etc/audita/config.yml
 /usr/local/bin/notarius config validate --config /usr/local/etc/notarius/config.yml \
   --pipeline dnd-session
+/usr/local/bin/notarius config validate --config /usr/local/etc/notarius/config.yml \
+  --config-profile testing --pipeline dnd-session
+notarius_testing_config="$test_tmp/notarius-testing.yml"
+/usr/local/bin/notarius config effective --config /usr/local/etc/notarius/config.yml \
+  --config-profile testing > "$notarius_testing_config"
 /usr/local/bin/scriptorium inspect prompt \
   --config /usr/local/etc/scriptorium/config.yml \
   --prompt dnd.session_recap --prompt-version 2.0.0 --format json >/dev/null
 /usr/bin/sudo -u narratio /usr/local/bin/narratio config validate \
   --config /usr/local/etc/narratio/pipeline.yml --campaign centaurs
+/usr/bin/sudo -u narratio /usr/local/bin/narratio config validate \
+  --config /usr/local/etc/narratio/pipeline.yml --campaign centaurs --profile testing
+narratio_testing_config="$test_tmp/narratio-testing.yml"
+/usr/bin/sudo -u narratio /usr/local/bin/narratio config show \
+  --config /usr/local/etc/narratio/pipeline.yml --campaign centaurs --profile testing \
+  > "$narratio_testing_config"
+"$workspace_venv/bin/python" - \
+  "$notarius_testing_config" "$narratio_testing_config" <<'PY'
+import sys
+
+import yaml
+
+with open(sys.argv[1], encoding="utf-8") as config_file:
+    notarius = yaml.safe_load(config_file)
+with open(sys.argv[2], encoding="utf-8") as config_file:
+    narratio = yaml.safe_load(config_file)
+
+assert notarius["pipelines"]["dnd-session"]["llm_profile"] == "gpt-terra-latest"
+assert narratio["notarius"]["config_profile"] == "testing"
+PY
 
 repeat_log="$test_tmp/repeat.log"
 run_converge "$repeat_log"