Consistently throw IOException from ReactorNettyClientRequest

This commit renames ReactorNettyClientRequestFactoryTests.

Closes gh-32952

Author: jhoeller

spring-web/src/main/java/org/springframework/http/client/ReactorNettyClientRequest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -101,7 +101,7 @@ protected ClientHttpResponse executeInternal(HttpHeaders headers, @Nullable Body
 				return result;
 			}
 		}
-		catch (RuntimeException ex) { // Exceptions.ReactiveException is package private
+		catch (RuntimeException ex) {  // Exceptions.ReactiveException is package private
 			Throwable cause = ex.getCause();
 
 			if (cause instanceof UncheckedIOException uioEx) {
@@ -111,7 +111,7 @@ else if (cause instanceof IOException ioEx) {
 				throw ioEx;
 			}
 			else {
-				throw ex;
+				throw new IOException(ex.getMessage(), cause);
 			}
 		}
 	}

spring-web/src/test/java/org/springframework/http/client/ReactorNettyClientHttpRequestFactoryTests.java renamed to spring-web/src/test/java/org/springframework/http/client/ReactorNettyClientRequestFactoryTests.java

@@ -28,8 +28,9 @@
 /**
  * @author Arjen Poutsma
  * @author Sebastien Deleuze
+ * @since 6.1
  */
-class ReactorNettyClientHttpRequestFactoryTests extends AbstractHttpRequestFactoryTests {
+class ReactorNettyClientRequestFactoryTests extends AbstractHttpRequestFactoryTests {
 
 	@Override
 	protected ClientHttpRequestFactory createRequestFactory() {