EHN: add IntegrationTest as option in schema-pycaosdb-ini.yml

src/caosdb/schema-pycaosdb-ini.yml

@@ -85,3 +85,6 @@ schema-pycaosdb-ini:
                 const: keyring
           then:
             required: [url, username]
+    IntegrationTests:
+      description: "Used by the integration test suite from the caosdb-pyinttest repo."
+      additionalProperties: true