Adds test to demo key Symbol in Map.set()#1394

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leebyron merged 1 commit intoimmutable-js:masterfrom

abacaphiliac:test-map-set-symbol-key

Oct 17, 2017

Commits on Oct 17, 2017

Adds test to demonstrate usage of Symbol primitive data type as Map key via set method, which does not work upon Map instantiation.
abacaphiliac
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