…e when shared via RAM

Acceptance test output:

% make testacc TESTARGS='-run=TestAccVPCLatticeServiceNetworkDataSource_' PKG=vpclattice ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/vpclattice/... -v -count 1 -parallel 2  -run=TestAccVPCLatticeServiceNetworkDataSource_ -timeout 180m
=== RUN   TestAccVPCLatticeServiceNetworkDataSource_basic
=== PAUSE TestAccVPCLatticeServiceNetworkDataSource_basic
=== CONT  TestAccVPCLatticeServiceNetworkDataSource_basic
--- PASS: TestAccVPCLatticeServiceNetworkDataSource_basic (23.41s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/vpclattice	28.927s

…kDataSource_shared'.

Acceptance test output:

% make testacc TESTARGS='-run=TestAccVPCLatticeServiceNetworkDataSource_shared' PKG=vpclattice ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/vpclattice/... -v -count 1 -parallel 2  -run=TestAccVPCLatticeServiceNetworkDataSource_shared -timeout 180m
=== RUN   TestAccVPCLatticeServiceNetworkDataSource_shared
=== PAUSE TestAccVPCLatticeServiceNetworkDataSource_shared
=== CONT  TestAccVPCLatticeServiceNetworkDataSource_shared
--- PASS: TestAccVPCLatticeServiceNetworkDataSource_shared (40.59s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/vpclattice	45.992s

Acceptance test output:

% make testacc TESTARGS='-run=TestAccVPCLatticeServiceDataSource_' PKG=vpclattice ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/vpclattice/... -v -count 1 -parallel 2  -run=TestAccVPCLatticeServiceDataSource_ -timeout 180m
=== RUN   TestAccVPCLatticeServiceDataSource_basic
=== PAUSE TestAccVPCLatticeServiceDataSource_basic
=== RUN   TestAccVPCLatticeServiceDataSource_byName
=== PAUSE TestAccVPCLatticeServiceDataSource_byName
=== CONT  TestAccVPCLatticeServiceDataSource_basic
=== CONT  TestAccVPCLatticeServiceDataSource_byName
--- PASS: TestAccVPCLatticeServiceDataSource_basic (28.19s)
--- PASS: TestAccVPCLatticeServiceDataSource_byName (28.28s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/vpclattice	33.556s

…hared to the current account.