fix link gtest in nv_test

cmake/generic.cmake

@@ -144,10 +144,8 @@ function(nv_test TARGET_NAME)
     set(multiValueArgs SRCS DEPS)
     cmake_parse_arguments(nv_test "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
     cuda_add_executable(${TARGET_NAME} ${nv_test_SRCS})
-    if(nv_test_DEPS)
     target_link_libraries(${TARGET_NAME} ${nv_test_DEPS} gtest gtest_main)
     add_dependencies(${TARGET_NAME} ${nv_test_DEPS} gtest gtest_main)
-    endif()
     add_test(${TARGET_NAME} ${TARGET_NAME})
   endif()
 endfunction(nv_test)