Allow re-run of kasp test case on all FreeBSDs

Previously, the issue when the kasp.test_kasp_case[secondary.kasp] fails
due to a timeout has been only ocassionally observed on FreeBSD 13
in our CI. It seems to have come back on FreeBSD 15.

bin/tests/system/isctest/mark.py

@@ -39,6 +39,10 @@ extended_ds_digest = pytest.mark.skipif(
 )
 
 
+def is_host_freebsd(*_):
+    return platform.system() == "FreeBSD"
+
+
 def is_host_freebsd_13(*_):
     return platform.system() == "FreeBSD" and platform.release().startswith("13")
 

bin/tests/system/kasp/tests_kasp.py

@@ -597,7 +597,7 @@ def cb_remove_keyfiles(params, ksks=None, zsks=None):
             },
             id="secondary.kasp",
             marks=pytest.mark.flaky(
-                max_runs=2, rerun_filter=isctest.mark.is_host_freebsd_13
+                max_runs=2, rerun_filter=isctest.mark.is_host_freebsd
             ),
         ),
         pytest.param(