Fix too many & in url

Author: YangSiJun528

initializr-web/src/test/java/io/spring/initializr/web/controller/ProjectGenerationControllerIntegrationTests.java

@@ -74,7 +74,7 @@ void simpleZipProjectWithPropertiesFormat() {
 
 	@Test
 	void simpleZipProjectWithYAMLFormat() {
-		ResponseEntity<byte[]> entity = downloadArchive("/starter.zip?dependencies=web&&configurationFileFormat=yaml");
+		ResponseEntity<byte[]> entity = downloadArchive("/starter.zip?dependencies=web&configurationFileFormat=yaml");
 		assertArchiveResponseHeaders(entity, MediaType.valueOf("application/zip"), "demo.zip");
 		ProjectStructure project = projectFromArchive(entity.getBody());
 		assertDefaultProject(project);