fix: Update testNonExistingUrl to use not exist classpath resource

Signed-off-by: gongzhongqiang <[email protected]>

Author: GOODBOY008

document-readers/jsoup-reader/src/test/java/org/springframework/ai/reader/jsoup/JsoupDocumentReaderTests.java

@@ -16,8 +16,11 @@
 
 package org.springframework.ai.reader.jsoup;
 
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
 import java.util.List;
 
+import static org.mockito.Mockito.*;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
@@ -177,8 +180,8 @@ void testParseBodyFragment() {
 	}
 
 	@Test
-	void testNonExistingUrl() {
-		JsoupDocumentReader reader = new JsoupDocumentReader("https://nonexistingurl.com",
+	void testNonExistingHtmlResource() {
+		JsoupDocumentReader reader = new JsoupDocumentReader("classpath:/non-existing.html",
 				JsoupDocumentReaderConfig.builder().build());
 		assertThatThrownBy(reader::get).isInstanceOf(RuntimeException.class);
 	}