### Question:
RenameColumnChange extends AbstractChange { public String getConfirmationMessage() { return "Column "+tableName+"."+ oldColumnName + " renamed to " + newColumnName; } RenameColumnChange(); String getSchemaName(); void setSchemaName(String schemaName); String getTableName(); void setTableName(String tableName); String getOldColumnName(); void setOldColumnName(String oldColumnName); String getNewColumnName(); void setNewColumnName(String newColumnName); String getColumnDataType(); void setColumnDataType(String columnDataType); SqlStatement[] generateStatements(Database database); String getConfirmationMessage();  }### Answer:
@Override @Test public void getConfirmationMessage() throws Exception { assertEquals("Column TABLE_NAME.oldColName renamed to newColName", refactoring.getConfirmationMessage()); }