Tests

Fix memory leak in Observer #896

Job	Run time
Clang-tidy (Debug)	2m 22s
Files and formatting	5m 26s
Commits	0s
Clang-tidy (Release)	2m 22s
Archs (gcc-9)	13m 50s
Archs (gcc-10)	18m 19s
Unit tests on macOS	2h 27m 18s
Archs (clang-13)	19m 3s
Unit tests (gcc-9, Debug)	1h 16m 7s
Unit tests (gcc-9, Release)	1h 41m 30s
Unit tests (gcc-10, Debug)	2h 37m 44s
Archs (clang-14)	21m 18s
Unit tests (gcc-10, Release)	1h 50m 31s
Unit tests (gcc-11, Debug)	1h 18m 48s
Unit tests (gcc-11, Release)	14m 17s
Unit tests (clang-13, Release, OFF, OFF, JEMALLOC)	1h 38m 14s
Unit tests (clang-13, Debug, OFF, OFF, normal)	58m 14s
Unit tests (clang-14, Debug, ON, OFF, JEMALLOC, 2)	19m 50s
Unit tests (clang-14, Release, 3.18.2, /work/charm_7_0_0/mpi-linux-x86_64-smp-clang, 3, ON)	1h 36m 47s
Documentation	6m 55s
Deploy documentation	0s
Release version	0s
	17h 28m 55s

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