[tests] include first.h and NDEBUG early

src/t/test_configfile.c

@@ -1,10 +1,12 @@
-#include "configfile-glue.c"
+#include "first.h"
 
 #undef NDEBUG
 #include <assert.h>
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "configfile-glue.c"
+
 const struct {
     const char *string;
     const char *rmtstr;

src/t/test_request.c

@@ -1,4 +1,4 @@
-#include "request.h"
+#include "first.h"
 
 #undef NDEBUG
 #include <assert.h>
@@ -6,6 +6,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "request.h"
 #include "base.h"
 #include "burl.h"