sweep: fix make lint

.golangci.yml

@@ -218,6 +218,10 @@ issues:
     - path: mock*
       linters:
         - revive
+        # forcetypeassert is skipped for the mock because the test would fail
+        # if the returned value doesn't match the type, so there's no need to
+        # check the convert.
+        - forcetypeassert
 
     - path: test*
       linters:

sweep/sweeper_test.go

@@ -2390,6 +2390,7 @@ func TestFeeRateForPreference(t *testing.T) {
 		},
 	}
 
+	//nolint:paralleltest
 	for _, tc := range testCases {
 		tc := tc
 
@@ -2548,6 +2549,7 @@ func TestClusterByLockTime(t *testing.T) {
 		},
 	}
 
+	//nolint:paralleltest
 	for _, tc := range testCases {
 		tc := tc