tests(db/declarative): fix corrupted parameters table

spec/02-integration/03-db/08-declarative_spec.lua

@@ -195,6 +195,22 @@ for _, strategy in helpers.each_strategy() do
       password = crypto.hash(consumer_def.id, "MI6"),
     }
 
+    local function ensure_cluster_id_exists()
+      local res = db.parameters:select({ key = "cluster_id", })
+
+      -- table is broken for some unknown reason
+      if not res then
+        db.connector:query(
+        "BEGIN;\n" ..
+        "INSERT INTO parameters (key, value) VALUES('cluster_id', 'fake-cluster-id');" ..
+        "COMMIT;\n"
+        )
+      end
+
+      res = db.parameters:select({ key = "cluster_id", })
+      assert(res and res.value)
+    end
+
     before_each(function()
       db.acls:truncate()
       db.basicauth_credentials:truncate()
@@ -205,6 +221,8 @@ for _, strategy in helpers.each_strategy() do
       db.certificates:truncate()
       db.consumers:truncate()
 
+      ensure_cluster_id_exists()
+
       assert(declarative.load_into_db({
         snis = { [sni_def.id] = sni_def },
         certificates = { [certificate_def.id] = certificate_def },