fixed test

Former-commit-id: 4f840e8649e912c2db1c1c24f4fc39966a7cc0b3

CMakeLists.txt

@@ -47,6 +47,7 @@ if(LIBIGL_BUILD_TUTORIALS)
 endif()
 
 if(LIBIGL_BUILD_TESTS)
+	enable_testing()
 	add_subdirectory(tests)
 endif()
 

tests/CMakeLists.txt

@@ -24,7 +24,6 @@ INCLUDE_DIRECTORIES(${TEST_ROOT_DIR})
 ADD_DEFINITIONS(-DLIBIGL_DATA_DIR="${IGL_TEST_DATA}")
 
 # Add googletest googlemock support
-ENABLE_TESTING()
 ADD_SUBDIRECTORY(
   ${LIBIGL_EXTERNAL}/googletest/googlemock
   ${CMAKE_CURRENT_BINARY_DIR}/gtest)