Partial fix for #953 - Message still not displayed

+ Test need fixing

Author: lcharette

app/sprinkles/account/src/Controller/AccountController.php

@@ -917,7 +917,7 @@ public function register(Request $request, Response $response, $args)
             $user = $registration->register();
         } catch (\Exception $e) {
             $ms->addMessageTranslated('danger', $e->getMessage(), $data);
-            $error = true;
+            return $response->withJson([], 400);
         }
 
         // Success message

app/sprinkles/account/tests/Unit/RegistrationTest.php

@@ -81,6 +81,10 @@ public function testNormalRegistration()
         $this->expectException(HttpException::class);
         $validation = $registration->validate();
 
+        /**
+         * @todo --> THIS TEST IS NOT EXECUTED BECAUSE OF THE PREVIOUS EXCEPTION !!!
+         *           Plus need to validate a message is trown, because apparently it doesn't !
+         */
         // Should throw email error if we change the username
         $fakeUserData['user_name'] = 'BarFoo';
         $registration = new Registration($this->ci, $fakeUserData);
@@ -93,9 +97,6 @@ public function testNormalRegistration()
      */
     public function testValidation()
     {
-        // Reset database
-        $this->refreshDatabase();
-
         $registration = new Registration($this->ci, [
             'user_name'     => 'FooBar',
             'first_name'    => 'Foo',
@@ -114,9 +115,6 @@ public function testValidation()
      */
     public function testMissingFields()
     {
-        // Reset database
-        $this->refreshDatabase();
-
         $registration = new Registration($this->ci, [
             'user_name'     => 'FooBar',
             //'first_name'    => 'Foo',