CMake

Add new DateTimeTest testcase (#470) #991

Job	Run time
linux-gnu-shared-ext-log	1m 31s
linux-gnu-shared-ext-nolog	1m 16s
linux-gnu-static-all-test	2m 53s
linux-gnu-shared-all-test	2m 58s
linux-gnu-shared-noext-nolog	1m 10s
linux-clang-shared-ext-log	1m 43s
linux-clang-shared-ext-nolog	1m 38s
linux-clang-static-all-test	3m 40s
linux-clang-shared-all-test	3m 48s
linux-clang-shared-noext-nolog	1m 48s
win-cygwin-shared-ext-log	8m 22s
win-cygwin-shared-ext-nolog	8m 54s
win-cygwin-static-all-test	14m 16s
win-cygwin-shared-all-test	14m 34s
win-cygwin-shared-noext-nolog	8m 36s
win-clang-shared-ext-log	7m 27s
win-clang-shared-ext-nolog	7m 57s
win-clang-static-all-test	7m 18s
win-clang-shared-all-test	10m 27s
win-clang-shared-noext-nolog	7m 0s
win-msvc-shared-ext-log	5m 24s
win-msvc-shared-ext-nolog	4m 41s
win-msvc-static-all-test	7m 24s
win-msvc-shared-all-test	7m 46s
win-msvc-shared-noext-log	4m 39s
win-msvc-shared-noext-nolog	5m 16s
	2h 32m 26s

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