adding a workaround for an odd failing test

Author: weaverryan

tests/Maker/FunctionalTest.php

@@ -735,7 +735,12 @@ function (string $output, string $directory) {
             ])
             ->setFixtureFilesPath(__DIR__.'/../fixtures/MakeRegistrationFormEntity')
             ->configureDatabase()
-            ->updateSchemaAfterCommand(),
+            ->updateSchemaAfterCommand()
+            // workaround for a strange behavior where, every other
+            // test run, the UniqueEntity would not be seen, because
+            // the the validation cache was out of date. The cause
+            // is currently unknown, so this workaround was added
+            ->addPostMakeCommand('APP_ENV=test php bin/console cache:clear')
         ];
 
         // sanity check on all the interactive questions
@@ -763,7 +768,10 @@ function (string $output, string $directory) {
             ])
             ->setFixtureFilesPath(__DIR__.'/../fixtures/MakeRegistrationFormEntity')
             ->configureDatabase()
-            ->updateSchemaAfterCommand(),
+            ->updateSchemaAfterCommand()
+            // workaround for strange failure - see test case
+            // registration_form_entity_guard_authenticate for details
+            ->addPostMakeCommand('APP_ENV=test php bin/console cache:clear')
         ];
 
         yield 'auth_login_form_user_entity_with_encoder_logout' => [