Fixed a test (#8)

Author: fzhinkin

prompt/prompt-executor/prompt-executor-llms/src/commonTest/kotlin/ai/jetbrains/code/prompt/executor/llms/LLMPromptExecutorTest.kt

@@ -64,7 +64,7 @@ class LLMPromptExecutorTest {
             LLMProvider.Anthropic to MockAnthropicLLMClient()
         )
 
-        val prompt = Prompt.build(OpenAIModels.GPT4o, "test-prompt") {
+        val prompt = Prompt.build(AnthropicModels.Sonnet_3_5, "test-prompt") {
             system("You are a helpful assistant.")
             user("What is the capital of France?")
         }
@@ -137,4 +137,4 @@ class LLMPromptExecutorTest {
             executor.executeStreaming(prompt).toList()
         }
     }
-}
+}