test(Install): fix plugin wipe

Author: btry

install/Install.php

@@ -194,7 +194,7 @@ public function upgrade(string $from_version, array $args = []): bool
             }
         }
 
-        // Cherry pick install sub tasts to run
+        // Cherry pick sub tasts to run from fresh install workflow
         // Useful to rewrite missing data in DB
         $install_dir = __DIR__ . '/install/';
         $update_scripts = scandir($install_dir);

tests/install/PluginInstallTest.php

@@ -93,7 +93,7 @@ protected function wipePlugin() {
         $plugin_name = TEST_PLUGIN_NAME;
         //Drop plugin configuration if exists
         $config = new Config();
-        $config->deleteByCriteria(['context' => $plugin_name]);
+        $config->deleteByCriteria(['context' => 'plugin:' . $plugin_name]);
 
         // Drop tables of the plugin if they exist
         $result = $DB->listTables('glpi_plugin_' . $plugin_name . '_%');