Add tests for creating rooms with names, topics, and avatars
Add tests for creating rooms with names, topics, and avatars

Creating rooms with avatars is under a proposal at the time of writing.

Spec: https://github.com/matrix-org/matrix-doc/pull/1326
Synapse: https://github.com/matrix-org/synapse/pull/3417

Signed-off-by: Travis Ralston <f36f6a6abc4b55589c96c71fceedf83e596b8f33@gmail.com>
matrix-org/sytest,matrix-org/sytest