private static ArgumentMatcher<View> hasTag(final int tag) {
        return argument -> argument != null
                && argument.getTag() != null
                && argument.getTag().equals(tag);
    }
@param tag Any integer value.
@return A Mockito argument matcher to check whether the argument was a View with its tag set to the given value.
library/src/test/java/io/github/luizgrp/sectionedrecyclerviewadapter/SectionedRecyclerViewAdapterOnCreateViewHolderTest.java