Fix

core/src/main/java/com/scalar/db/util/ScalarDbUtils.java

@@ -104,14 +104,14 @@ public static Mutation copyAndSetTargetToIfNot(
 
   public static Put copyAndSetTargetToIfNot(
       Put put, Optional<String> namespace, Optional<String> tableName) {
-    Put ret = new Put(put); // copy
+    Put ret = Put.newBuilder(put).build(); // copy
     setTargetToIfNot(ret, namespace, tableName);
     return ret;
   }
 
   public static Delete copyAndSetTargetToIfNot(
       Delete delete, Optional<String> namespace, Optional<String> tableName) {
-    Delete ret = new Delete(delete); // copy
+    Delete ret = Delete.newBuilder(delete).build(); // copy
     setTargetToIfNot(ret, namespace, tableName);
     return ret;
   }

integration-test/src/main/java/com/scalar/db/api/DistributedStorageMultipleClusteringKeyScanIntegrationTestBase.java

@@ -1793,7 +1793,8 @@ private Put preparePut(
                 firstClusteringOrder,
                 secondClusteringKeyType,
                 secondClusteringOrder))
-        .partitionKey(
+        .partitionKey(getPartitionKey())
+        .clusteringKey(
             Key.newBuilder().add(firstClusteringKeyValue).add(secondClusteringKeyValue).build())
         .value(IntColumn.of(COL_NAME, 1))
         .build();

integration-test/src/main/java/com/scalar/db/util/TestUtils.java

@@ -273,6 +273,4 @@ public ExpectedResult build() {
       }
     }
   }
-
-
 }