Add minor testing stuff

tests/run_tests.sh

@@ -68,4 +68,6 @@ for backup_file in core.log controller.log valgrind.log emgauwa-core.sqlite; do
     ln -sf $timestamp.$backup_file latest.$backup_file
 done
 
+cat latest.valgrind.log
+
 exit $test_result

tests/tavern_tests/3.0.tags.tavern.yaml

@@ -157,3 +157,12 @@ stages:
     url: "http://localhost:5000/api/v1/tags/unused_tag_1"
   response:
     status_code: 404
+
+- name: "[tags] get tags again"
+  request:
+    method: GET
+    url: "http://localhost:5000/api/v1/tags/"
+  response:
+    status_code: 200
+    verify_response_with:
+      function: validate_tag:multiple