Add needrestart test case.

The parsing doesn't handle it correctly and fails. Obviously tests will
fail until I fix it.

tests/test_nagios.py

@@ -33,6 +33,7 @@ PERF_DATA = [
     """'C: used %'=44%;75;85;0;100""",
     """time_offset-192.168.0.1=-7.22636468709e-05s;1;2;0;;""",
     """àéèï-192.168.0.1=-7.22636468709e-05s;1;2;0;;""",
+    """Kernel=0;0;;0;2 Microcode=U;0;;0;1 Services=0;;0;0 Containers=0;;0;0 Sessions=0;0;;0""",  # noqa: E501
 ]