text: #define CATCH_CONFIG_MAIN  // This tells Catch to provide a main() - only do this in one cpp file
  #include "catch.hpp"
  #include "expressions.h"
  
  TEST_CASE("Verify Test Configuration", "verification") {
  	REQUIRE(true == true);
  }
  
  TEST_CASE("Verify sum_numbers function") 
  {
  	REQUIRE(add_numbers(5, 5) == 10);
  	REQUIRE(add_numbers(10, 10) == 20);
  }
  
  
  TEST_CASE("vERIFY MULTIPLY_NUMBERS FUNCTION")
  {
  
  	REQUIRE(multiply_numbers(2, 2) == 4);
  	REQUIRE(multiply_numbers(3, 3) == 9);
  	REQUIRE(multiply_numbers(5, 5) == 25);
  }
  