Merge #12241: [trivial][docs] Fix incorrect link in /test/ README.md

bf18977 [trivial][docs] Fix incorrect link in /test/ README.md (fanquake)

Pull request description:

Tree-SHA512: f9024a5b6b03c591b9e02057aedd862f479d4b38d293dd04a07e411b877c0fb5b4d95ced7d09190bb8a83078fe8c97db24c5dcdac7cbd59d37b41f614d423026

Author: MarcoFalke

test/README.md

@@ -8,7 +8,7 @@ There are currently two sets of tests in this directory:
 - [functional](/test/functional) which test the functionality of 
 bitcoind and bitcoin-qt by interacting with them through the RPC and P2P
 interfaces.
-- [util](test/util) which tests the bitcoin utilities, currently only
+- [util](/test/util) which tests the bitcoin utilities, currently only
 bitcoin-tx.
 
 The util tests are run as part of `make check` target. The functional