### Question:
DataLoadingColumn extends AbstractObj implements Queryable { @Override public String toString() { return GoodDataToStringBuilder.defaultToString(this); } @JsonCreator private  DataLoadingColumn(@JsonProperty("meta") Meta meta, @JsonProperty("content") Content content); String getColumnUri(); String getName(); String getType(); boolean hasTypeVarchar(); boolean hasTypeInt(); Integer getLength(); Integer getPrecision(); boolean isUnique(); boolean isNullable(); String getSynchronizeType(); Integer getSynchronizeLength(); Integer getSynchronizePrecision(); @Override String toString();  }### Answer:
@Test public void testToStringFormat() throws Exception { final DataLoadingColumn column = readObjectFromResource("/md/dataLoadingColumn.json", DataLoadingColumn.class); assertThat(column.toString(), matchesPattern(DataLoadingColumn.class.getSimpleName() + "\\[.*\\]")); }