Tests/RunCMake/VSSolution/Override1.cmake - third_party/github.com/Kitware/CMake - Git at Google

 set_property(DIRECTORY PROPERTY VS_GLOBAL_SECTION_POST_ExtensibilityGlobals Key1=Value1)
 set_property(DIRECTORY PROPERTY VS_GLOBAL_SECTION_POST_TestSec Key2=Value2 Key3=Value3)
	set_property(DIRECTORY PROPERTY VS_GLOBAL_SECTION_POST_ExtensibilityGlobals Key1=Value1)
	set_property(DIRECTORY PROPERTY VS_GLOBAL_SECTION_POST_TestSec Key2=Value2 Key3=Value3)