Fix an issue related to the Azure OpenAI streamig response

This issue in the Flux streaming logic was causing chunks
  to be aggreagated in a single response.

  Re-enable the AzureOpenAiAutoConfigurationIT

models/spring-ai-azure-openai/src/main/java/org/springframework/ai/azure/openai/AzureOpenAiChatModel.java

@@ -183,8 +183,8 @@ public class AzureOpenAiChatModel
 					isFunctionCall.set(false);
 					return true;
 				}
-				return false;
-			}, false)
+				return !isFunctionCall.get();
+			})
 			.concatMapIterable(window -> {
 				final var reduce = window.reduce(MergeUtils.emptyChatCompletions(), MergeUtils::mergeChatCompletions);
 				return List.of(reduce);

models/spring-ai-openai/src/test/java/org/springframework/ai/openai/chat/OpenAiChatModelIT.java

@@ -80,6 +80,29 @@ class OpenAiChatModelIT extends AbstractIT {
 		// needs fine tuning... evaluateQuestionAndAnswer(request, response, false);
 	}
 
+	@Test
+	void streamRoleTest() {
+		UserMessage userMessage = new UserMessage(
+				"Tell me about 3 famous pirates from the Golden Age of Piracy and what they did.");
+		SystemPromptTemplate systemPromptTemplate = new SystemPromptTemplate(systemResource);
+		Message systemMessage = systemPromptTemplate.createMessage(Map.of("name", "Bob", "voice", "pirate"));
+		Prompt prompt = new Prompt(List.of(userMessage, systemMessage));
+		Flux<ChatResponse> flux = streamingChatModel.stream(prompt);
+
+		List<ChatResponse> responses = flux.collectList().block();
+		assertThat(responses.size()).isGreaterThan(1);
+
+		String stitchedResponseContent = responses.stream()
+			.map(ChatResponse::getResults)
+			.flatMap(List::stream)
+			.map(Generation::getOutput)
+			.map(AssistantMessage::getContent)
+			.collect(Collectors.joining());
+
+		assertThat(stitchedResponseContent).contains("Blackbeard");
+
+	}
+
 	@Test
 	void listOutputConverter() {
 		DefaultConversionService conversionService = new DefaultConversionService();