[stable15] Make acceptance tests for comments more robust #12696
When the "Comments" tab is open the empty content element is always in the DOM, although it is only shown once the message collection was fetched and there were no messages. Due to this it is necessary to explicitly wait for it to be shown instead of relying on the implicit wait made to find the element; otherwise it would be found immediately and if the collection was not fetched yet it would not be visible, causing the test to fail. Signed-off-by: Daniel Calviño Sánchez <firstname.lastname@example.org>
If the server is too slow, changing to a different file immediately after sending a new comment but without waiting for the comment to be shown for the original file could cause the new comment to be shown for the current file instead. This is, indeed, a bug in the comments. However, it is not possible to test it reliably in the acceptance tests, as it depends on how fast the server adds the message and how fast the client changes to a different file; sometimes the test would fail and sometimes it would not. Therefore, now it is waited for the comment to be added before changing to another file, as in this case it can be reliably tested that changing to a different file does not cause the comments from the previous file to be shown in the current file (this was a different bug already fixed and due to which this test was added in the first place). Signed-off-by: Daniel Calviño Sánchez <email@example.com>
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