Index: tests/src/Mod/Material/CMakeLists.txt
--- tests/src/Mod/Material/CMakeLists.txt.orig
+++ tests/src/Mod/Material/CMakeLists.txt
@@ -3,6 +3,7 @@
 add_subdirectory(App)
 
 target_link_libraries(Material_tests_run
+    gtest
     gtest_main
     ${Google_Tests_LIBS}
     Materials
