Rename FUNCTION_HARNESS_RESULT*() macros to FUNCTION_HARNESS_RETURN*().

When the FUNCTION_*_RESULT*() macros were renamed to FUNCTION_*_RETURN_*() in the core code the test harness macros were missed.

Update them to make the naming consistent.

test/src/module/command/helpTest.c

@@ -478,5 +478,5 @@ testRun(void)
         TEST_RESULT_STR_Z(strNewBuf(storageGetP(storageNewReadP(storage, stdoutFile))), generalHelp, "    check text");
     }
 
-    FUNCTION_HARNESS_RESULT_VOID();
+    FUNCTION_HARNESS_RETURN_VOID();
 }