Change per as review from taniguchi san#1

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nakajo2011 wants to merge 10 commits intomasterfrom

Commits on Sep 11, 2018

impl: Implement MasaPoint mock class.
nakajo2011
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Commits on Sep 12, 2018

Commits on Sep 18, 2018

change: Change as per review from @k_taniguchi san.
nakajo2011
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