### Question:
CreateIndexChange extends AbstractChange implements ChangeWithColumns<ColumnConfig> { public String getConfirmationMessage() { return "Index " + getIndexName() + " created"; } CreateIndexChange(); String getIndexName(); void setIndexName(String indexName); String getSchemaName(); void setSchemaName(String schemaName); String getTableName(); void setTableName(String tableName); List<ColumnConfig> getColumns(); void setColumns(List<ColumnConfig> columns); void addColumn(ColumnConfig column); String getTablespace(); void setTablespace(String tablespace); SqlStatement[] generateStatements(Database database); String getConfirmationMessage(); void setUnique(Boolean isUnique); Boolean isUnique(); String getAssociatedWith(); void setAssociatedWith(String associatedWith);  }### Answer:
@Override @Test public void getConfirmationMessage() throws Exception { CreateIndexChange refactoring = new CreateIndexChange(); refactoring.setIndexName("IDX_TEST"); assertEquals("Index IDX_TEST created", refactoring.getConfirmationMessage()); }