Github user tomatophantastico commented on the issue:
https://github.com/apache/metamodel/pull/158
I found those "toString" test to be quite problematic too, even in small
tests and i encountered a lot of them during the arrays->collection conversion
and i would be happy to see them phased out, even the small ones.
The schema uses a lot of interfaces but tests against the string
serialisation, which is meant for human consumption.
`assertTrue(Lists.newArrayList("a","b").equals(table.getColumnNames()))`
is short, but does not depend on the toString() of the implementing List.
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