Thomas Bechtold 3e9e78fc7e Increase sleep time in testsuite to make it more robust
This helps on loaded machines (and such fix the build on s390 in
openSUSE).
Thanks to R. Oertel for providing the fix.

Change-Id: Ia6b9c8f32e2a9d5c2cec826ec26959fba125e181
2018-03-19 10:42:46 +01:00
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