add simple integration test

Author: sivukhin

libsql/tests/integration_tests.rs

@@ -596,6 +596,22 @@ async fn debug_print_row() {
     );
 }
 
+#[tokio::test]
+async fn fts5_invalid_tokenizer() {
+    let db = Database::open(":memory:").unwrap();
+    let conn = db.connect().unwrap();
+    assert!(conn.execute(
+        "CREATE VIRTUAL TABLE t USING fts5(s, tokenize='trigram case_sensitive ')",
+        (),
+    )
+    .await.is_err());
+    assert!(conn.execute(
+        "CREATE VIRTUAL TABLE t USING fts5(s, tokenize='trigram remove_diacritics ')",
+        (),
+    )
+    .await.is_err());
+}
+
 #[cfg(feature = "serde")]
 #[tokio::test]
 async fn deserialize_row() {