Use let_it_be in collapse_diffs_spec
What does this MR do and why?
Describe in detail what your merge request does and why.
Related #375006 (closed)
Before
Finished in 4 minutes 19.3 seconds (files took 17.53 seconds to load)
22 examples, 0 failures
[TEST PROF INFO] Time spent in factories: 00:53.712 (20.6% of total time)
[TEST PROF INFO] Factories usage
Total: 67
Total top-level: 45
Total time: 00:53.712 (out of 04:30.546)
Total uniq factories: 4
total top-level total time time per call top-level time name
22 22 1.5636s 0.0711s 1.5636s admin
22 22 52.1405s 2.3700s 52.1405s project
22 0 1.4412s 0.0655s 0.0000s namespace
1 1 0.0085s 0.0085s 0.0085s license
After
Finished in 3 minutes 0.6 seconds (files took 11.25 seconds to load)
22 examples, 0 failures
[TEST PROF INFO] Time spent in factories: 00:02.603 (1.43% of total time)
[TEST PROF INFO] Factories usage
Total: 4
Total top-level: 3
Total time: 00:02.603 (out of 03:06.079)
Total uniq factories: 4
total top-level total time time per call top-level time name
1 1 0.0070s 0.0070s 0.0070s license
1 1 2.5263s 2.5263s 2.5263s project
1 0 0.1249s 0.1249s 0.0000s namespace
1 1 0.0701s 0.0701s 0.0701s admin
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How to set up and validate locally
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MR acceptance checklist
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