Merge #9956: Reorganise qa directory

63d66ba Move src/test/bitcoin-util-test.py to test/util/bitcoin-util-test.py (John Newbery)
5b0bff4 Rename --enable-extended-rpc-tests to --enable-extended-functional-tests (John Newbery)
a9bd622 Rename test/pull-tester/rpc-tests.py to test/functional/test_runner.py (John Newbery)
c28ee91 Rename rpc-tests directory to functional (John Newbery)
00902c4 Rename qa directory to test (John Newbery)

Tree-SHA512: ee7125c0c647d81590177beef2c8852c4ef76fdcf888096d9d4d360562a01d8d3b453345c3040487b2a043935bd1e7e80018f34462d6e02262bedbe23edcc576

doc/developer-notes.md

@@ -132,7 +132,7 @@ Run with the -testnet option to run with "play bitcoins" on the test network, if
 are testing multi-machine code that needs to operate across the internet.
 
 If you are testing something that can run on one machine, run with the -regtest option.
-In regression test mode, blocks can be created on-demand; see qa/rpc-tests/ for tests
+In regression test mode, blocks can be created on-demand; see test/functional/ for tests
 that run in -regtest mode.
 
 **DEBUG_LOCKORDER**
@@ -252,7 +252,7 @@ Wallet
 
   - *Rationale*: In RPC code that conditionally uses the wallet (such as
     `validateaddress`) it is easy to forget that global pointer `pwalletMain`
-    can be NULL. See `qa/rpc-tests/disablewallet.py` for functional tests
+    can be NULL. See `test/functional/disablewallet.py` for functional tests
     exercising the API with `-disablewallet`
 
 - Include `db_cxx.h` (BerkeleyDB header) only when `ENABLE_WALLET` is set