OZG-6810 [test] update test factory

api-lib-core/src/test/java/de/ozgcloud/apilib/file/OzgCloudUploadFileTestFactory.java

@@ -13,7 +13,7 @@ public class OzgCloudUploadFileTestFactory {
 		return createBuilder().build();
 	}
 
-	private static OzgCloudUploadFileBuilder createBuilder() {
+	public static OzgCloudUploadFileBuilder createBuilder() {
 		return OzgCloudUploadFile.builder()
 			.fileName(FILE_NAME)
 			.contentType(CONTENT_TYPE)