qa: Run all tests even if wallet is not compiled

test/functional/mempool_persist.py

@@ -47,6 +47,9 @@ class MempoolPersistTest(BitcoinTestFramework):
         self.num_nodes = 3
         self.extra_args = [[], ["-persistmempool=0"], []]
 
+    def skip_test_if_missing_module(self):
+        self.skip_if_no_wallet()
+
     def run_test(self):
         chain_height = self.nodes[0].getblockcount()
         assert_equal(chain_height, 200)