Unbreak FileManager test after #7582

spec/unit/filemanager_spec.lua

@@ -29,7 +29,7 @@ describe("FileManager module", function()
         local old_show = UIManager.show
         local tmp_fn = "/abc/123/test/foo.bar.baz.tmp.epub.pdf"
         UIManager.show = function(self, w)
-            assert.Equals(w.text, "File "..tmp_fn.." not found")
+            assert.Equals(w.text, "File not found:\n"..tmp_fn)
         end
         assert.is_nil(lfs.attributes(tmp_fn))
         filemanager:deleteFile(tmp_fn)
@@ -58,7 +58,7 @@ describe("FileManager module", function()
         assert.is_not_nil(lfs.attributes(tmp_history))
 
         UIManager.show = function(self, w)
-            assert.Equals(w.text, "Deleted "..tmp_fn)
+            assert.Equals(w.text, "Deleted file:\n"..tmp_fn)
         end
         filemanager:deleteFile(tmp_fn)
         UIManager.show = old_show
@@ -93,7 +93,7 @@ describe("FileManager module", function()
         assert.is_not_nil(lfs.attributes(tmp_history))
 
         UIManager.show = function(self, w)
-            assert.Equals(w.text, "Deleted "..tmp_fn)
+            assert.Equals(w.text, "Deleted file:\n"..tmp_fn)
         end
         filemanager:deleteFile(tmp_fn)
         UIManager.show = old_show