condenser_api get_discussions_by_author_before_date tests moved to folder

added 79 commits

• a0833a0f...dcb34039 - 77 commits from branch master
• 04a55828 - Merge branch 'condenser_get_discussions_by_author_before_date' of...
• 2528499b - [ABW]: removed duplicate tests that were moved to separate folder

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merged

mentioned in commit 85495f8c