Fix the tests following the state machine changes for TLSv1.3

Reviewed-by: Rich Salz <rsalz@openssl.org>
diff --git a/test/ssltestlib.c b/test/ssltestlib.c
index 4e20763..42ba98c 100644
--- a/test/ssltestlib.c
+++ b/test/ssltestlib.c
@@ -564,7 +564,7 @@
     return 0;
 }
 
-#define MAXLOOPS    100000
+#define MAXLOOPS    1000000
 
 /*
  * NOTE: Transfers control of the BIOs - this function will free them on error