tests: fix gnrc_sixlowpan for 2db9ed11 and b272e904

2db9ed11 and b272e904 changed the output of `gnrc_pktdump`, but the
`gnrc_sixlowpan` tested fix was never adapted for that and was failing
because of that.

tests/gnrc_sixlowpan/tests/01-run.py

@@ -48,7 +48,7 @@ def testfunc(child):
     child.expect_exact("PKTDUMP: data received:")
     child.expect_exact("~~ SNIP  0 - size: 108 byte, type: NETTYPE_UDP (4)")
     child.expect_exact("   src-port: 61616  dst-port: 61616")
-    child.expect_exact("   length: 108  cksum: 0x4232f")
+    child.expect_exact("   length: 108  cksum: 0x232f")
     child.expect_exact("~~ SNIP  1 - size:  40 byte, type: NETTYPE_IPV6 (2)")
     child.expect_exact("traffic class: 0x00 (ECN: 0x0, DSCP: 0x00)")
     child.expect_exact("flow label: 0x00000")
@@ -59,16 +59,16 @@ def testfunc(child):
     # UDP (port 61616)
     child.expect_exact("PKTDUMP: data received:")
     child.expect_exact("~~ SNIP  0 - size: 100 byte, type: NETTYPE_UNDEF (0)")
-    child.expect_exact("000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00")
-    child.expect_exact("000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00")
-    child.expect_exact("000020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00")
-    child.expect_exact("000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00")
-    child.expect_exact("000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00")
-    child.expect_exact("000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00")
-    child.expect_exact("000060 00 00 00 00")
+    child.expect_exact("00000000  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00")
+    child.expect_exact("00000010  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00")
+    child.expect_exact("00000020  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00")
+    child.expect_exact("00000030  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00")
+    child.expect_exact("00000040  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00")
+    child.expect_exact("00000050  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00")
+    child.expect_exact("00000060  00  00  00  00")
     child.expect_exact("~~ SNIP  1 - size:   8 byte, type: NETTYPE_UDP (4)")
     child.expect_exact("   src-port: 61616  dst-port: 61616")
-    child.expect_exact("   length: 108  cksum: 0x4232f")
+    child.expect_exact("   length: 108  cksum: 0x232f")
     child.expect_exact("~~ SNIP  2 - size:  40 byte, type: NETTYPE_IPV6 (2)")
     child.expect_exact("traffic class: 0x00 (ECN: 0x0, DSCP: 0x00)")
     child.expect_exact("flow label: 0x00000")