Tensorflow tests should only be built when cppflow option is on

Author: SJaffa

cpp/tests/CMakeLists.txt

@@ -24,7 +24,6 @@ add_catch_test(credible_region LIBRARIES sopt SEED ${RAND_SEED})
 add_catch_test(forward_backward LIBRARIES sopt tools_for_tests SEED ${RAND_SEED})
 add_catch_test(gradient_operator LIBRARIES sopt tools_for_tests SEED ${RAND_SEED})
 add_catch_test(inpainting LIBRARIES sopt tools_for_tests SEED ${RAND_SEED})
-add_catch_test(tf_inpainting LIBRARIES sopt tools_for_tests SEED ${RAND_SEED})
 add_catch_test(linear_transform LIBRARIES sopt SEED ${RAND_SEED})
 add_catch_test(maths LIBRARIES sopt SEED ${RAND_SEED})
 add_catch_test(padmm LIBRARIES sopt SEED ${RAND_SEED})
@@ -41,6 +40,7 @@ add_catch_test(wrapper LIBRARIES sopt SEED ${RAND_SEED})
 
 if(cppflow)
   add_catch_test(cppflow_model LIBRARIES sopt tools_for_tests)
+  add_catch_test(tf_inpainting LIBRARIES sopt tools_for_tests SEED ${RAND_SEED})
 endif()
 
 if(SOPT_MPI)