Fix up old sparse tests #46

Job	Run time
Create container: xenial	2s
Create container: bionic	1s
Create container: focal	1s
Create container: docurium	1s
Create container: bionic-x86	4s
Create container: bionic-arm32	2s
Create container: bionic-arm64	2s
Create container: centos7	1s
Create container: centos8	1s
Generate documentation	30s
Build: Linux (Xenial, GCC, OpenSSL)	28s
Build: Linux (Xenial, GCC, mbedTLS)	41s
Build: Linux (Xenial, Clang, OpenSSL)	27s
Build: Linux (Xenial, Clang, mbedTLS)	25s
Build: macOS	27m 37s
Build: Windows (amd64, Visual Studio)	2m 17s
Build: Windows (x86, Visual Studio)	2m 9s
Build: Windows (amd64, mingw)	55s
Build: Windows (x86, mingw)	1m 3s
Build: Sanitizer (Memory)	30s
Build: Sanitizer (UndefinedBehavior)	28s
Build: Sanitizer (Thread)	37s
Build: Linux (SHA256, Xenial, Clang, OpenSSL)	32s
Build: macOS (SHA256)	26m 30s
Build: Windows (SHA256, amd64, Visual Studio)	2m 19s
Test results	5s
	1h 7m 48s

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