a13647b8bd [qa] Add test for too-large wallet output groups (Suhas Daftuar)
57ec1c97b2 [wallet] correctly limit output group size (Suhas Daftuar)
Pull request description:
Also add a test to ensure that output groups are being limited, even if a wallet has many outputs corresponding to the same scriptPubKey (the test fails without the first commit).
Tree-SHA512: 2aaa82005b0910488f5cbf40690d4c5e2f46949e299ef70b4cb6e440713811443d411dcbc6d71b1701fd82423073125e21747787d70830cd021c841afb732d51