diff --git a/packages/pg/test/integration/client/connection-parameter-tests.js b/packages/pg/test/integration/client/connection-parameter-tests.js
new file mode 100644
index 000000000..b3bf74c36
--- /dev/null
+++ b/packages/pg/test/integration/client/connection-parameter-tests.js
@@ -0,0 +1,13 @@
+const helper = require('../test-helper')
+const suite = new helper.Suite()
+const { Client } = helper.pg
+
+suite.test('it sends options', async () => {
+  const client = new Client({
+    options: '--default_transaction_isolation=serializable',
+  })
+  await client.connect()
+  const { rows } = await client.query('SHOW default_transaction_isolation')
+  console.log(rows)
+  await client.end()
+})