tgc-revival: skip TestAccComputeSubnetwork tests (#15630)

Author: zli82016

mmv1/products/compute/Subnetwork.yaml

@@ -111,6 +111,7 @@ examples:
     vars:
       subnetwork_name: 'internal-ipv6-test-subnetwork'
       network_name: 'internal-ipv6-test-network'
+    tgc_skip_test: 'internalIpv6Prefix is changed to C + O, but TGC uses latest provider version to run tests and does not have this change.'
   - name: 'subnetwork_purpose_private_nat'
     primary_resource_id: 'subnetwork-purpose-private-nat'
     min_version: 'beta'
@@ -143,6 +144,7 @@ examples:
     vars:
       subnetwork_name: 'subnet-ipv6-only'
       network_name: 'network-ipv6-only'
+    tgc_skip_test: 'internalIpv6Prefix is changed to C + O, but TGC uses latest provider version to run tests and does not have this change.'
   - name: 'subnetwork_with_subnet_mode_pdp'
     primary_resource_id: 'subnetwork-with-subnet-mode-pdp'
     exclude_docs: true
@@ -161,6 +163,7 @@ examples:
       ip_collection_url: '"projects/tf-static-byoip/regions/us-central1/publicDelegatedPrefixes/internal-ipv6-subnet-mode-test-sub-pdp"'
     test_vars_overrides:
       ip_collection_url: '"projects/tf-static-byoip/regions/us-central1/publicDelegatedPrefixes/internal-ipv6-subnet-mode-test-sub-pdp"'
+    tgc_skip_test: 'internalIpv6Prefix is changed to C + O, but TGC uses latest provider version to run tests and does not have this change.'
   - name: 'subnetwork_with_internal_subnet_mode_pdp_explicit_ip_prefix'
     primary_resource_id: 'subnetwork-with-internal-subnet-mode-pdp-explicit-ip-prefix'
     exclude_docs: true
@@ -172,6 +175,7 @@ examples:
     test_vars_overrides:
       internal_ipv6_prefix: 'fmt.Sprintf("2001:db8:1:%d::/64", acctest.RandIntRange(t, 0, 9999))'
       ip_collection_url: '"projects/tf-static-byoip/regions/us-central1/publicDelegatedPrefixes/internal-ipv6-subnet-mode-test-sub-pdp-explicit-prefix"'
+    tgc_skip_test: 'internalIpv6Prefix is changed to C + O, but TGC uses latest provider version to run tests and does not have this change.'
   - name: 'subnetwork_ipv6_only_external'
     primary_resource_id: 'subnetwork-ipv6-only'
     exclude_docs: true