Fix tests.

Author: rkistner

packages/drift_sqlite_async/README.md

@@ -8,6 +8,7 @@ Supported functionality:
 2. Transactions and nested transactions.
 3. Table updates are propagated between sqlite_async and Drift - watching queries works using either API.
 4. Select queries can run concurrently with writes and other select statements.
+5. Drift migrations are supported (optional).
 
 ## Usage
 

packages/drift_sqlite_async/test/db_test.dart

@@ -54,7 +54,7 @@ void main() {
           // Drift may or may not emit duplicate update notifications.
           // We use distinct() to ignore those.
           .distinct()
-          .skipWhile((e) => e.isEmpty)
+          .skipWhile((e) => e == '[]')
           .take(3)
           .toList();
 
@@ -83,7 +83,7 @@ void main() {
       var resultsPromise = stream
           .map((rows) => rows.toString())
           .distinct()
-          .skipWhile((e) => e.isEmpty)
+          .skipWhile((e) => e == '[]')
           .take(3)
           .toList();