fix testDeepSeekQwenChatTemplate test function to reflect changes on tokenizer config

Author: ardaatahan

Tests/TokenizersTests/ChatTemplateTests.swift

@@ -27,11 +27,11 @@ class ChatTemplateTests: XCTestCase {
     func testDeepSeekQwenChatTemplate() async throws {
         let tokenizer = try await AutoTokenizer.from(pretrained: "deepseek-ai/DeepSeek-R1-Distill-Qwen-7B")
         let encoded = try tokenizer.applyChatTemplate(messages: messages)
-        let encodedTarget = [151646, 151644, 74785, 279, 23670, 15473, 4128, 13, 151645]
+        let encodedTarget = [151646, 151644, 74785, 279, 23670, 15473, 4128, 13, 151645, 151648, 198]
         XCTAssertEqual(encoded, encodedTarget)
 
         let decoded = tokenizer.decode(tokens: encoded)
-        let decodedTarget = "<｜begin▁of▁sentence｜><｜User｜>Describe the Swift programming language.<｜Assistant｜>"
+        let decodedTarget = "<｜begin▁of▁sentence｜><｜User｜>Describe the Swift programming language.<｜Assistant｜><think>\n"
         XCTAssertEqual(decoded, decodedTarget)
     }