Fix to work namespacveSelector policy, without labelSelector

[s1061123]

Fix #14

[coveralls]

Pull Request Test Coverage Report for Build 2282191858

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.4%) to 51.234%

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Totals
Change from base Build 1727278033:	1.4%
Covered Lines:	851
Relevant Lines:	1661

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💛 - Coveralls