IT method usage fix

Author: chemicL

mcp-spring/mcp-spring-webflux/src/test/java/io/modelcontextprotocol/WebFluxSseIntegrationTests.java

@@ -384,8 +384,8 @@ void testToolCallSuccess(String clientType) {
 		var clientBuilder = clientBulders.get(clientType);
 
 		var callResponse = new McpSchema.CallToolResult(List.of(new McpSchema.TextContent("CALL RESPONSE")), null);
-		McpServerFeatures.SyncToolRegistration tool1 = new McpServerFeatures.SyncToolRegistration(
-				new McpSchema.Tool("tool1", "tool1 description", emptyJsonSchema), request -> {
+		McpServerFeatures.SyncToolSpecification tool1 = new McpServerFeatures.SyncToolSpecification(
+				new McpSchema.Tool("tool1", "tool1 description", emptyJsonSchema), (exchange, request) -> {
 					// perform a blocking call to a remote service
 					String response = RestClient.create()
 						.get()
@@ -424,8 +424,8 @@ void testToolListChangeHandlingSuccess(String clientType) {
 		var clientBuilder = clientBulders.get(clientType);
 
 		var callResponse = new McpSchema.CallToolResult(List.of(new McpSchema.TextContent("CALL RESPONSE")), null);
-		McpServerFeatures.SyncToolRegistration tool1 = new McpServerFeatures.SyncToolRegistration(
-				new McpSchema.Tool("tool1", "tool1 description", emptyJsonSchema), request -> {
+		McpServerFeatures.SyncToolSpecification tool1 = new McpServerFeatures.SyncToolSpecification(
+				new McpSchema.Tool("tool1", "tool1 description", emptyJsonSchema), (exchange, request) -> {
 					// perform a blocking call to a remote service
 					String response = RestClient.create()
 						.get()