The original testsuite runs > 30min, shorten that to < 4min on my machine.

--- a/rstest.c
+++ b/rstest.c
@@ -33,6 +33,7 @@ struct etab {
   {7, 0x89,    1,   1, 10, 1000 },
   {8, 0x11d,   1,   1, 32, 100 },
   {8, 0x187,   112,11, 32, 100 }, /* Duplicates CCSDS codec */
+  /*
   {9, 0x211,   1,   1, 32, 100 },
   {10,0x409,   1,   1, 32, 100 },
   {11,0x805,   1,   1, 32, 100 },
@@ -45,6 +46,7 @@ struct etab {
   {15,0x8003,  1,   1, 32, 5 },
   {15,0x8003,  1,   1, 64, 5 },
   {16,0x1100b, 1,   1, 32, 5 },
+  */
   {0, 0, 0, 0, 0, 0},
 };
 
