Use different folders for pg vs. ppas RE-SQL tests. Fall back to the tests folder without a subdirectory if neither exist.

web/pgadmin/browser/server_groups/servers/databases/foreign_data_wrappers/tests/pg/9.3_plus/test.json

@@ -98,7 +98,10 @@
     },{
       "type": "delete",
       "name": "Drop FDW",
-      "endpoint": "NODE-foreign_data_wrapper.delete_id"
+      "endpoint": "NODE-foreign_data_wrapper.delete_id",
+      "data": {
+        "name": "Fdw2_$%{}[]()&*^!@\"'`\\/#"
+      }
     }
   ]
 }

web/pgadmin/browser/server_groups/servers/databases/foreign_data_wrappers/tests/pg/default/test.json

@@ -98,7 +98,10 @@
     },{
       "type": "delete",
       "name": "Drop FDW",
-      "endpoint": "NODE-foreign_data_wrapper.delete_id"
+      "endpoint": "NODE-foreign_data_wrapper.delete_id",
+      "data": {
+        "name": "Fdw2_$%{}[]()&*^!@\"'`\\/#"
+      }
     }
   ]
 }

web/pgadmin/browser/server_groups/servers/resource_groups/tests/ppas/9.4_plus/test.json

@@ -1,9 +1,4 @@
 {
-  "prerequisite": {
-    "minVer": 90400,
-    "maxVer": null,
-    "type": "ppas"
-  },
   "scenarios": [
     {
       "type": "create",