Tests

feat(aggregation): Implement custom QP solver #1015

Job	Run time
Build doc	1m 51s
Run (most) tests with default install	2m 15s
Run tests with full install (3.10, macOS-latest)	1m 44s
Run tests with full install (3.11, ubuntu-latest)	2m 15s
Run tests with full install (3.10, ubuntu-latest)	2m 25s
Run tests with full install (3.10, windows-latest)	2m 33s
Run tests with full install (3.12, macOS-latest)	1m 20s
Run tests with full install (3.11, windows-latest)	2m 32s
Run tests with full install (3.11, macOS-latest)	57s
Run tests with full install (3.13, windows-latest)	3m 8s
Run tests with full install (3.12, ubuntu-latest)	2m 29s
Run tests with full install (3.13, ubuntu-latest)	2m 29s
Run tests with full install (3.13, macOS-latest)	58s
Run tests with full install (3.12, windows-latest)	2m 35s
	29m 31s

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