build: re-enable namespace-specific tests

cmake/Templates.cmake

@@ -45,6 +45,17 @@ function(add_fx_assembly)
 		target_compile_definitions(${assembly_target_name} PRIVATE ${def})
 	endforeach (def)
 
+	foreach (ns ${arg_NAMESPACES})
+		file(GLOB test_sources ${fx_source_root}/${ns}/test/*.c)
+		foreach (test_file ${test_sources})
+			get_filename_component(test_name ${test_file} NAME_WE)
+			set(test_name ${ns}-${test_name})
+			string(REPLACE "." "-" test_name ${test_name})
+			add_executable(${test_name} ${test_file})
+			target_link_libraries(${test_name} ${assembly_target_name})
+		endforeach (test_file)
+	endforeach (ns)
+
 	set_target_properties(${assembly_target_name} PROPERTIES
 		FOLDER "${assembly_name}")