selftest: mark samba3.raw.oplock.batch1* as flakey

selftest: mark samba3.raw.oplock.batch1* as flakey

I saw this a few times:

    [432/1598 in 30m19s] samba3.raw.oplock(plugin_s4_dc)
    BATCH10: Open with oplock after a non-oplock open should grant level2
    write should trigger a break to none
    WARNING!: (../source4/torture/raw/oplock.c:1968): wrong value for break_info.count got 0x0 - should be 0x1

    Acking to none [0x00] in oplock handler
    UNEXPECTED(failure): samba3.raw.oplock.batch10(plugin_s4_dc)
    REASON: _StringException: _StringException: (../source4/torture/raw/oplock.c:1969): wrong value for break_info.fnum got 0x0 - should be 0x6490

    FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)

or:

    [433/1594 in 38m13s] samba3.raw.oplock(plugin_s4_dc)
    BATCH11: Test if setpathinfo set EOF breaks oplocks.
    Acking to level II [0x01] in oplock handler
    WARNING!: (../source4/torture/raw/oplock.c:2046): wrong value for break_info.count got 0x1 - should be 0x2

    Acking to none [0x00] in oplock handler
    UNEXPECTED(failure): samba3.raw.oplock.batch11(plugin_s4_dc)
    REASON: _StringException: _StringException: (../source4/torture/raw/oplock.c:2048): wrong value for break_info.level got 0x1 - should be 0x0

    FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)

Signed-off-by: Stefan Metzmacher <metze@samba.org>