fix

Author: nik9000

test/framework/src/main/java/org/elasticsearch/index/mapper/TestBlock.java

@@ -54,28 +54,14 @@ public BooleansBuilder appendBoolean(boolean value) {
             public BlockLoader.BytesRefBuilder bytesRefsFromDocValues(int expectedCount) {
                 class BytesRefsFromDocValuesBuilder extends TestBlock.Builder implements BlockLoader.BytesRefBuilder {
                     private BytesRefsFromDocValuesBuilder() {
-                        super(1);
+                        super(expectedCount);
                     }
 
                     @Override
                     public BytesRefsFromDocValuesBuilder appendBytesRef(BytesRef value) {
                         add(BytesRef.deepCopyOf(value));
                         return this;
                     }
-
-                    @Override
-                    public TestBlock build() {
-                        TestBlock result = super.build();
-                        List<?> r;
-                        if (result.values.get(0) instanceof List<?> l) {
-                            r = l;
-                        } else {
-                            r = List.of(result.values.get(0));
-                        }
-                        assertThat(r, hasSize(expectedCount));
-                        return result;
-                    }
-
                 }
                 return new BytesRefsFromDocValuesBuilder();
             }