code coverage

Author: laz-canva

xds/src/test/java/io/grpc/xds/GrpcXdsClientImplDataTest.java

@@ -3138,6 +3138,18 @@ public void validateCommonTlsContext_tlsNewCertificateProviderInstance()
         .validateCommonTlsContext(commonTlsContext, ImmutableSet.of("name1", "name2"), true);
   }
 
+  @Test
+  @SuppressWarnings("deprecation")
+  public void validateCommonTlsContext_tlsDeprecatedCertificateProviderInstance()
+      throws ResourceInvalidException {
+    CommonTlsContext commonTlsContext = CommonTlsContext.newBuilder()
+        .setTlsCertificateCertificateProviderInstance(
+            CommonTlsContext.CertificateProviderInstance.newBuilder().setInstanceName("name1"))
+        .build();
+    XdsClusterResource
+        .validateCommonTlsContext(commonTlsContext, ImmutableSet.of("name1", "name2"), true);
+  }
+
   @Test
   public void validateCommonTlsContext_tlsCertificateProviderInstance()
       throws ResourceInvalidException {