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();

spring-ai-spring-boot-autoconfigure/src/test/java/org/springframework/ai/autoconfigure/azure/AzureOpenAiAutoConfigurationIT.java

@@ -19,7 +19,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.EnabledIfEnvironmentVariable;
 import org.springframework.ai.azure.openai.AzureOpenAiChatModel;
@@ -44,7 +43,6 @@ import static org.assertj.core.api.Assertions.assertThat;
  * @author Christian Tzolov
  * @since 0.8.0
  */
-@Disabled("streaming response on mark p machine is not returning a list of size > 1")
 @EnabledIfEnvironmentVariable(named = "AZURE_OPENAI_API_KEY", matches = ".+")
 @EnabledIfEnvironmentVariable(named = "AZURE_OPENAI_ENDPOINT", matches = ".+")
 public class AzureOpenAiAutoConfigurationIT {

spring-ai-spring-boot-autoconfigure/src/test/java/org/springframework/ai/autoconfigure/azure/tool/FunctionCallWithFunctionBeanIT.java

@@ -35,7 +35,6 @@ import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Description;
-import org.springframework.util.StringUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.springframework.ai.autoconfigure.azure.tool.DeploymentNameUtil.getDeploymentName;