Add migration tests for Bookmarks model v5 (#588)

Task/Issue URL: https://app.asana.com/0/414709148257752/1206106768488096/f

Description:
Update BookmarkMigrationTests with a test for migration from V4 to V5.

Package.swift

@@ -251,7 +251,10 @@ let package = Package(
                 .copy("Resources/Bookmarks_V2.sqlite-wal"),
                 .copy("Resources/Bookmarks_V3.sqlite"),
                 .copy("Resources/Bookmarks_V3.sqlite-shm"),
-                .copy("Resources/Bookmarks_V3.sqlite-wal")
+                .copy("Resources/Bookmarks_V3.sqlite-wal"),
+                .copy("Resources/Bookmarks_V4.sqlite"),
+                .copy("Resources/Bookmarks_V4.sqlite-shm"),
+                .copy("Resources/Bookmarks_V4.sqlite-wal")
             ]),
         .testTarget(
             name: "BrowserServicesKitTests",

Tests/BookmarksTests/BookmarkMigrationTests.swift

@@ -88,6 +88,10 @@ class BookmarkMigrationTests: XCTestCase {
         try commonMigrationTestForDatabase(name: "Bookmarks_V3")
     }
 
+    func testWhenMigratingFromV4ThenRootFoldersContentsArePreservedInOrder() throws {
+        try commonMigrationTestForDatabase(name: "Bookmarks_V4")
+    }
+
     func commonMigrationTestForDatabase(name: String) throws {
 
         try copyDatabase(name: name, formDirectory: resourceURLDir, toDirectory: location)
@@ -131,7 +135,7 @@ class BookmarkMigrationTests: XCTestCase {
         try? migratedStack.tearDown(deleteStores: true)
     }
 
-    func atestThatMigrationToFormFactorSpecificFavoritesAddsFavoritesToNativeFolder() async throws {
+    func testThatMigrationToFormFactorSpecificFavoritesAddsFavoritesToNativeFolder() async throws {
 
         guard let bookmarksDatabase = loadDatabase(name: "Any") else {
             XCTFail("Failed to load model")