Fixed Auth failed test cases

packages/auth/example/client/example1.http

@@ -12,6 +12,6 @@ Content-Type: application/json
 Authorization: Basic password:username
 
 ### Force basic
-POST http://localhost:3000/hello HTTP/1.1
+GET http://localhost:3000/hello HTTP/1.1
 Content-Type: application/json
 Accept:application/json

packages/auth/lib/src/strategies/local.dart

@@ -71,6 +71,14 @@ class LocalAuthStrategy<User> extends AuthStrategy<User> {
       }
     }
 
+    if (verificationResult == null) {
+      if (forceBasic) {
+        res.headers['www-authenticate'] = 'Basic realm="$realm"';
+        return null;
+      }
+      return null;
+    }
+
     if (verificationResult is Map && verificationResult.isEmpty) {
       if (localOptions.failureRedirect != null &&
           localOptions.failureRedirect!.isNotEmpty) {

packages/auth/test/local_test.dart

@@ -46,6 +46,7 @@ void main() async {
     app = Angel(reflector: MirrorsReflector());
     angelHttp = AngelHttp(app, useZone: false);
     await app.configure(wireAuth);
+
     app.get('/hello', (req, res) {
       // => 'Woo auth'
       return 'Woo auth';