Fix Catch2 XML format compatibility #536

Job	Run time
Install Ubuntu GCC static Release	17s
Install Ubuntu GCC header-only Release	13s
Install Ubuntu GCC shared Release	12s
Ubuntu GCC Release	1m 44s
Ubuntu GCC Debug	1m 6s
Ubuntu GCC noexcept Release	1m 2s
Ubuntu GCC noexcept Debug	44s
Ubuntu GCC notime Release	1m 16s
Ubuntu GCC notime Debug	45s
Ubuntu GCC nounity Release	20s
Ubuntu GCC nounity Debug	17s
Ubuntu GCC header-only Release	1m 15s
Ubuntu GCC header-only Debug	45s
Ubuntu GCC shared Release	1m 9s
Ubuntu GCC shared Debug	43s
Ubuntu Clang Release	1m 18s
Ubuntu Clang Debug	56s
Ubuntu Clang noexcept Release	1m 10s
Ubuntu Clang noexcept Debug	51s
Windows 32 Release	2m 48s
Windows 32 Debug	1m 15s
Windows 64 Release	2m 38s
Windows 64 Debug	1m 59s
Windows 64 noexcept Release	3m 0s
Windows 64 noexcept Debug	1m 33s
Windows 64 shared Release	2m 51s
Windows 64 shared Debug	1m 33s
MacOS Release	41s
MacOS Debug	30s
MacOS noexcept Release	35s
MacOS noexcept Debug	31s
WebAssembly Release	4m 2s
WebAssembly Debug	1m 34s
WebAssembly noexcept Release	1m 30s
WebAssembly noexcept Debug	1m 11s
	44m 14s

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