Time is just a shell function and FIND_PROGRAM has no REQUIRED arg.

scripts/cmake/test/AddTest.cmake

@@ -4,7 +4,7 @@ FUNCTION (AddTest executable case_path case_name wrapper)
 
 	# Implement wrappers
 	IF(wrapper STREQUAL "TIME")
-		SET(WRAPPER_COMMAND ${TIME_TOOL_PATH})
+		SET(WRAPPER_COMMAND time)
 	ELSEIF(wrapper STREQUAL "MEMCHECK" AND VALGRIND_TOOL_PATH)
 		SET(WRAPPER_COMMAND "${VALGRIND_TOOL_PATH} --tool=memcheck --log-file=${case_path}/${case_name}_memcheck.log -v --leak-check=full --show-reachable=yes --track-origins=yes --malloc-fill=0xff --free-fill=0xff")
 		SET(tester MEMCHECK)

scripts/cmake/test/Test.cmake

 # Find tools and data
-FIND_PROGRAM(TIME_TOOL_PATH time REQUIRED)
-FIND_PROGRAM(DIFF_TOOL_PATH diff REQUIRED)
-FIND_PROGRAM(GREP_TOOL_PATH grep REQUIRED)
-FIND_PROGRAM(BASH_TOOL_PATH bash REQUIRED)
-FIND_PROGRAM(VALGRIND_TOOL_PATH valgrind REQUIRED)
-FIND_FILE(OGS-DATA_PATH ".ogs6-data.dummy" REQUIRED
+FIND_PROGRAM(DIFF_TOOL_PATH diff)
+FIND_PROGRAM(GREP_TOOL_PATH grep)
+FIND_PROGRAM(BASH_TOOL_PATH bash)
+FIND_PROGRAM(VALGRIND_TOOL_PATH valgrind)
+FIND_FILE(OGS-DATA_PATH ".ogs6-data.dummy"
 	HINTS ${CMAKE_SOURCE_DIR}/../ogs6-data)
 GET_FILENAME_COMPONENT(OGS-DATA_PATH ${OGS-DATA_PATH} PATH)