Fix Anthropic FunctionCallWithPromptFunctionIT

 - Fix the function toolcallback definition name

Signed-off-by: Ilayaperumal Gopinathan <[email protected]>

Author: ilayaperumalg

auto-configurations/models/spring-ai-autoconfigure-model-anthropic/src/test/java/org/springframework/ai/model/anthropic/autoconfigure/tool/FunctionCallWithPromptFunctionIT.java

@@ -58,11 +58,10 @@ void functionCallTest() {
 						"What's the weather like in San Francisco, in Paris and in Tokyo? Return the temperature in Celsius.");
 
 				var promptOptions = AnthropicChatOptions.builder()
-					.toolCallbacks(
-							List.of(FunctionToolCallback.builder("CurrentWeatherService", new MockWeatherService())
-								.description("Get the weather in location. Return temperature in 36°F or 36°C format.")
-								.inputType(MockWeatherService.Request.class)
-								.build()))
+					.toolCallbacks(List.of(FunctionToolCallback.builder("getCurrentWeather", new MockWeatherService())
+						.description("Get the weather in location. Return temperature in 36°F or 36°C format.")
+						.inputType(MockWeatherService.Request.class)
+						.build()))
 					.build();
 
 				ChatResponse response = chatModel.call(new Prompt(List.of(userMessage), promptOptions));