Add tiny code changes

Author: ibab

src/main.cpp

@@ -6,3 +6,5 @@ int main(int argc, char *argv[])
     hello();
     return 0;
 }
+
+

test/test_hello.cpp

@@ -3,7 +3,7 @@
 
 #include "hello.h"
 
-TEST(Feature, get_message)
+TEST(Hello, get_message)
 {
     std::string m = get_message();
     ASSERT_EQ("Hello, World!", m);