test that callbacks fire correctly #2284

Job	Run time
linux-shared-libs	4m 5s
downstream	4m 49s
clang-sanitizers (,thread)	4m 18s
windows-shared-libs	4m 34s
windows-app-verifier	7m 45s
byo-crypto	2m 55s
localhost-test-linux	7m 31s
macos (dispatch_queue)	6m 29s
linux-compat (manylinux2014-x86)	3m 40s
linux-compat (al2-x64)	3m 40s
windows-vc17 (x64)	4m 9s
windows-vc17 (x86)	4m 17s
linux-compat (fedora-34-x64)	3m 25s
linux-compat (manylinux1-x64)	3m 41s
clang-sanitizers (,address,undefined)	4m 34s
localhost-test-macos (kqueue)	5m 5s
macos (kqueue)	2m 23s
windows	4m 30s
localhost-test-macos (dispatch_queue)	9m 11s
macos-x64	11m 23s
linux-compat (opensuse-leap)	3m 39s
localhost-test-win	6m 52s
linux-compat (rhel8-x64)	3m 39s
linux-compat (manylinux1-x86)	3m 42s
linux-compat (manylinux2014-x64)	3m 40s
linux-compiler-compat (clang-9)	3m 48s
linux-compiler-compat (clang-8)	3m 44s
linux-compiler-compat (clang-11)	3m 46s
linux-compiler-compat (gcc-5)	3m 46s
linux-compiler-compat (gcc-11)	3m 43s
linux-compiler-compat (gcc-4.8)	3m 32s
linux-compiler-compat (clang-17)	3m 47s
linux-compiler-compat (clang-6)	3m 48s
linux-compiler-compat (clang-10)	3m 45s
linux-compiler-compat (gcc-13, --cmake-extra=-DCMAKE_EXE_LINKER_FLAGS="-lresolv")	3m 46s
linux-compiler-compat (gcc-7)	3m 46s
linux-compiler-compat (gcc-6)	3m 48s
linux-compiler-compat (clang-15)	3m 47s
linux-compiler-compat (gcc-8)	3m 46s
	2h 56m 28s

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