Cannot add own suffix to generated class - default package names starts with redundant '\n'

[qwazer]

1. Plugin version 1.5.2. IDEA Build #IU-223.8214.52 OS - Linux
2. new template created

        <CodeTemplate>
          <option name="name" value="TestDataFactory" />
          <option name="type" value="class" />
          <option name="template" value="public class ${ClassName} {&#10;     public static ${class0.name} aDefault${class0.name}(){&#10;         return ${class0.name}.build();&#10;     }&#10;}&#10;" />
          <option name="classNameVm" value="${class0.qualifiedName}TestDataFactory" />
          <option name="defaultTargetPackage" value="" />
          <option name="defaultTargetModule" value="" />
        </CodeTemplate>

3. generate code

package
        ru.test.example;

directory with name started with '\n' created

src/test/java$ ls
''$'\n''ru'   ru

UI file manager screenshot:

Didn't found the way to fix.