Skip test_qos_dscp_mapping and test_virtualdb_table_streaming due to github issue sonic-net#17974 and #22201

Skip test_qos_dscp_mapping on dualtor due to github issue sonic-net#17974
Skip telemetry test_virtualdb_table_streaming case due to sonic-net/sonic-buildimage#22201

Change-Id: If461fcf40ce8d1e1a7a8f30e7193965646d6e6e7

Author: echuawu

tests/common/plugins/conditional_mark/tests_mark_conditions.yaml

@@ -1829,6 +1829,12 @@ qos/test_qos_dscp_mapping.py:
     conditions:
       - "asic_type in ['cisco-8000'] and platform.startswith('x86_64-8122_')"
 
+qos/test_qos_dscp_mapping.py::TestQoSSaiDSCPQueueMapping_IPIP_Base:
+  skip:
+    reason: "Skip test on dualtor setup due to https://github.com/sonic-net/sonic-mgmt/issues/17974"
+    conditions:
+      - "'dualtor' in topo_name and https://github.com/sonic-net/sonic-mgmt/issues/17974"
+
 qos/test_qos_dscp_mapping.py::TestQoSSaiDSCPQueueMapping_IPIP_Base::test_dscp_to_queue_mapping_pipe_mode:
   skip:
     reason: "Pipe decap mode not supported due to either SAI or platform limitation / M* topo does not support qos"
@@ -2489,6 +2495,12 @@ telemetry/test_telemetry.py::test_telemetry_queue_buffer_cnt:
       - "topo_type in ['m0', 'mx', 'm1', 'm2', 'm3']"
       - "(is_multi_asic==True) and https://github.com/sonic-net/sonic-mgmt/issues/15393"
 
+telemetry/test_telemetry.py::test_virtualdb_table_streaming:
+  skip:
+    reason: "Skip due to community issue https://github.com/sonic-net/sonic-buildimage/issues/22201"
+    conditions:
+      - https://github.com/sonic-net/sonic-buildimage/issues/22201
+
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