fix https://github.com/groupon/FeatureAdapter/issues/14

[ww2lin]

move invalid viewType check from ViewItem into FeatureAdapter

[codecov-io]

Codecov Report

Merging #15 into master will increase coverage by 1.12%. The diff coverage is 100%.

@@             Coverage Diff              @@
##             master      #15      +/-   ##
============================================
+ Coverage     62.84%   63.97%   +1.12%     
- Complexity       76       81       +5     
============================================
  Files            14       14              
  Lines           401      408       +7     
  Branches         45       46       +1     
============================================
+ Hits            252      261       +9     
+ Misses          139      138       -1     
+ Partials         10        9       -1

Impacted Files	Coverage Δ	Complexity Δ
...main/java/com/groupon/featureadapter/ViewItem.java	100% <ø> (+33.33%)	1 <0> (ø)	:arrow_down:
...va/com/groupon/featureadapter/FeaturesAdapter.java	68.53% <100%> (+3.53%)	20 <5> (+5)	:arrow_up:

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[stephanenicolas]

RTM