Update 23_test_problems_tests.jl #519

Job	Run time
test (core, 1.10, ubuntu-latest)	17m 25s
test (core, 1.10, macos-latest)	26m 23s
test (core, 1, ubuntu-latest)	27m 44s
test (core, 1, macos-latest)	39m 52s
test (downstream, 1.10, ubuntu-latest)	11m 44s
downgrade (1.10, core)	18m 31s
test (downstream, 1.10, macos-latest)	7m 12s
downgrade (1.10, downstream)	15m 46s
test (downstream, 1, ubuntu-latest)	23m 27s
downgrade (1.10, wrappers)	11m 54s
test (downstream, 1, macos-latest)	15m 10s
downgrade (1.10, misc)	13m 46s
test (wrappers, 1.10, ubuntu-latest)	9m 30s
test (wrappers, 1.10, macos-latest)	6m 18s
test (wrappers, 1, ubuntu-latest)	20m 35s
test (wrappers, 1, macos-latest)	11m 45s
test (misc, 1.10, ubuntu-latest)	8m 43s
test (misc, 1.10, macos-latest)	5m 43s
test (misc, 1, ubuntu-latest)	20m 28s
test (misc, 1, macos-latest)	11m 52s
	5h 23m 48s

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