Improved the FileServiceMock mock in the tests target to support multiple actions.

Tests/Library/Cases/Services/FileServiceTests.swift

@@ -24,7 +24,7 @@ struct FileServiceTests {
         #expect(folder.isFileURL == true)
     }
     
-    // MARK: Functions
+    // MARK: Functions tests
     
     @Test(arguments: [URL.someNewFolder, .someNewFile])
     func createFolder(with url: URL) async throws {