Tests: Enable CMP0022 in ExportImport out-of-dir linking case

Since out-of-dir linking is enabled by CMP0079, which is newer than
CMP0022, it is likely that both will be set in practice when out-of-dir
linking is used.

Tests/ExportImport/Export/CMakeLists.txt

@@ -156,6 +156,7 @@ target_link_libraries(testLibDepends PRIVATE testStaticLibRequiredPrivate)
 cmake_policy(POP)
 
 cmake_policy(PUSH)
+cmake_policy(SET CMP0022 NEW)
 cmake_policy(SET CMP0079 NEW)
 add_library(TopDirLib STATIC testTopDirLib.c)
 add_subdirectory(SubDirLinkA)