### Question:
DropColumnChange extends AbstractChange { public String getConfirmationMessage() { return "Column " + getTableName() + "." + getColumnName() + " dropped"; } DropColumnChange(); String getColumnName(); void setColumnName(String columnName); String getSchemaName(); void setSchemaName(String schemaName); String getTableName(); void setTableName(String tableName); SqlStatement[] generateStatements(Database database); String getConfirmationMessage();  }### Answer:
@Override @Test public void getConfirmationMessage() throws Exception { DropColumnChange change = new DropColumnChange(); change.setTableName("TABLE_NAME"); change.setColumnName("COL_HERE"); assertEquals("Column TABLE_NAME.COL_HERE dropped", change.getConfirmationMessage()); }