Unit test against workalendar failing

[gregn610]

AssertionError: EE
Nelipühade 1. püha
Sunday 2016-05-15 not in the database

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AssertionError: ES_NAT
New year
Friday 2016-01-01 not in the database

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AssertionError: FI
Pentecost
Sunday 2016-05-15 not in the database

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AssertionError: GB_ENG_WLS
Easter Sunday
Sunday 2016-03-27 not in the database

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AssertionError: GB_NIR
Easter Sunday
Sunday 2016-03-27 not in the database

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AssertionError: GR
Clean Monday
Monday 2016-03-14 not in the database

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AssertionError: NL
New Year's Eve
Saturday 2016-12-31 not in the database

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AssertionError: SI
Independence and Unity Day
Monday 2016-12-26 not in the database