// Include the header file with the definitions of the functions you create. #include "hello_world.h" // Include the test framework. #ifdef EXERCISM_TEST_SUITE #include #else #include "test/catch.hpp" #endif // Declares a single test. TEST_CASE("test_hello") { // Check if your function returns "Hello, World!". REQUIRE(hello_world::hello() == "Hello, World!"); }