tests: Move expensive tests to the end of the list

This lets make check fail earlier (in average) to shorten the
debugging cycle time.
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 1a6fa55..97d0adc 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -9,13 +9,6 @@
 AT_CHECK([$abs_top_builddir/tests/a5/a5_test], [0], [expout])
 AT_CLEANUP
 
-AT_SETUP([bssgp-fc])
-AT_KEYWORDS([bssgp-fc])
-cat $abs_srcdir/gb/bssgp_fc_tests.ok > expout
-cat $abs_srcdir/gb/bssgp_fc_tests.err > experr
-AT_CHECK([$abs_top_srcdir/tests/gb/bssgp_fc_tests.sh $abs_top_builddir/tests/gb], [0], [expout], [experr])
-AT_CLEANUP
-
 AT_SETUP([bits])
 AT_KEYWORDS([bits])
 cat $abs_srcdir/bits/bitrev_test.ok > expout
@@ -49,12 +42,6 @@
 AT_CHECK([$abs_top_builddir/tests/smscb/smscb_test], [0], [expout])
 AT_CLEANUP
 
-AT_SETUP([timer])
-AT_KEYWORDS([timer])
-cat $abs_srcdir/timer/timer_test.ok > expout
-AT_CHECK([$abs_top_builddir/tests/timer/timer_test -s 5], [0], [expout], [ignore])
-AT_CLEANUP
-
 AT_SETUP([ussd])
 AT_KEYWORDS([ussd])
 cat $abs_srcdir/ussd/ussd_test.ok > expout
@@ -118,3 +105,16 @@
 cat $abs_srcdir/vty/vty_test.ok > expout
 AT_CHECK([$abs_top_builddir/tests/vty/vty_test], [0], [expout], [ignore])
 AT_CLEANUP
+
+AT_SETUP([bssgp-fc])
+AT_KEYWORDS([bssgp-fc])
+cat $abs_srcdir/gb/bssgp_fc_tests.ok > expout
+cat $abs_srcdir/gb/bssgp_fc_tests.err > experr
+AT_CHECK([$abs_top_srcdir/tests/gb/bssgp_fc_tests.sh $abs_top_builddir/tests/gb], [0], [expout], [experr])
+AT_CLEANUP
+
+AT_SETUP([timer])
+AT_KEYWORDS([timer])
+cat $abs_srcdir/timer/timer_test.ok > expout
+AT_CHECK([$abs_top_builddir/tests/timer/timer_test -s 5], [0], [expout], [ignore])
+AT_CLEANUP