Keep cluster dolt_gc tests in place with auto_gc disabled.

integration-tests/go-sql-server-driver/tests/sql-server-cluster.yaml

@@ -1507,6 +1507,9 @@ tests:
         listener:
           host: 0.0.0.0
           port: {{get_port "server1"}}
+        behavior:
+          auto_gc_behavior:
+            enable: false
         cluster:
           standby_remotes:
           - name: standby
@@ -1526,6 +1529,9 @@ tests:
         listener:
           host: 0.0.0.0
           port: {{get_port "server2"}}
+        behavior:
+          auto_gc_behavior:
+            enable: false
         cluster:
           standby_remotes:
           - name: standby
@@ -1548,6 +1554,8 @@ tests:
     - exec: 'insert into vals values (3,3)'
     - exec: 'insert into vals values (4,4)'
     - exec: 'call dolt_gc()'
+    - exec: 'select * from vals'
+      error_match: "this connection can no longer be used"
   - on: server1
     queries:
     - query: "select `database`, standby_remote, role, epoch, replication_lag_millis, current_error from dolt_cluster.dolt_cluster_status order by `database` asc"
@@ -1568,6 +1576,8 @@ tests:
         - [3,3]
         - [4,4]
     - exec: 'call dolt_gc()'
+      error_match: "must be the primary"
+    - exec: 'call dolt_gc("--shallow")'
 - name: dropped database is no longer present on replica
   multi_repos:
   - name: server1