Update test for SSG page also

Author: ijjk

test/integration/auto-export-query-warn/pages/ssg.js

@@ -0,0 +1,11 @@
+const Page = () => "I'm SSRed"
+
+export async function getStaticProps() {
+  return {
+    props: {
+      hello: 'world',
+    },
+  }
+}
+
+export default Page

test/integration/auto-export-query-warn/test/index.test.js

@@ -18,6 +18,7 @@ const runTests = () => {
 
     expect(stderr).not.toContain('/amp')
     expect(stderr).not.toContain('/ssr')
+    expect(stderr).not.toContain('/ssg')
     expect(stderr).not.toContain('/hello')
   })
 }