Avoid false positives in `date_spine` macro#211

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dbeatty10 wants to merge 2 commits intomainfrom dbeatty/fix-date-spine-test

+4-40

Commits on May 14, 2024

For simplicity and readability, reduce the size of the date range
dbeatty10
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The SQL in the test needs a full outer join to cover all edge cases
dbeatty10
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