A separate but related issue would be adding a test for `browser.search.openintab` similar to the existing test for `browser.urlbar.openintab`. I'm working on expanding the latter test to deal with these changes and `browser.urlbar.openinbackground` but I guess the search pref tests might be a different bug to avoid making this patch too big.
Bug 1753863 Comment 1 Edit History
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A separate but related issue would be adding a test for `browser.search.openintab` similar to the existing test for `browser.urlbar.openintab`. I'm working on expanding the latter test to deal with these changes and `browser.urlbar.openinbackground` but I guess the search pref tests might be a different bug to avoid making this patch too big. Edit: Never mind, the search test is included in this patch. I still haven't included `browser.tabs.reuseEmptyTab` since it might be seen as outside the scope of this bug. However, it does impact most of the same files (including the 2 test files) so adding it here might save some time