chore(CMake/Tests): use conventional CMake flag to enable tests (#3809)

apps/ci/ci-install.sh

@@ -8,7 +8,7 @@ CWARNINGS=ON
 CDEBUG=OFF
 CTYPE=Release
 CSCRIPTS=ON
-CUNIT_TESTS=ON
+CBUILD_TESTING=ON
 CSERVERS=ON
 CTOOLS=ON
 CSCRIPTPCH=OFF

apps/ci/mac/ci-compile.sh

@@ -9,7 +9,7 @@ mkdir var/build/obj && cd var/build/obj;
 
 time cmake ../../../ \
 -DTOOLS=1 \
--DUNIT_TESTS=1 \
+-DBUILD_TESTING=1 \
 -DSCRIPTS=1 \
 -DCMAKE_BUILD_TYPE=Debug \
 -DMYSQL_ADD_INCLUDE_PATH=/usr/local/include \