Update test file for mimetypes

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

tests/data/integritycheck/mimetypeListModified/core/js/mimetypelist.js

@@ -13,6 +13,7 @@ OC.MimeTypeList={
     "application/font-sfnt": "image",
     "application/font-woff": "image",
     "application/gpx+xml": "location",
+    "application/gzip": "package/x-generic",
     "application/illustrator": "image",
     "application/javascript": "text/code",
     "application/json": "text/code",
@@ -80,7 +81,7 @@ OC.MimeTypeList={
     "application/x-fictionbook+xml": "text",
     "application/x-font": "image",
     "application/x-gimp": "image",
-    "application/x-gzip": "package/x-generic",
+    "application/x-gzip": "application/gzip",
     "application/x-iwork-keynote-sffkey": "x-office/presentation",
     "application/x-iwork-numbers-sffnumbers": "x-office/spreadsheet",
     "application/x-iwork-pages-sffpages": "x-office/document",