### Question:
Column implements ProtoObject<ColumnProto>, GsonObject { public String getQualifiedName() { return name; } Column(String name, TypeDesc type);  Column(String name, DataType dataType);  Column(String name, TajoDataTypes.Type type);  Column(String name, Type type);  Column(ColumnProto proto); boolean hasQualifier(); String getQualifiedName(); String getQualifier(); String getSimpleName(); TypeDesc getTypeDesc(); Type getType(); DataType getDataType(); @Override boolean equals(Object o); int hashCode(); @Override ColumnProto getProto(); String toString(); @Override String toJson();  }### Answer:
@Test public final void testGetFieldName() { assertEquals(field1.getQualifiedName(),FieldName1); assertEquals(field2.getQualifiedName(),FieldName2); assertEquals(field3.getQualifiedName(),FieldName3); }