IIDM testing networks

<!-- https://jarcasting.com/artifacts/com.powsybl/powsybl-iidm-test/ -->
<dependency>
    <groupId>com.powsybl</groupId>
    <artifactId>powsybl-iidm-test</artifactId>
    <version>4.9.1</version>
</dependency>

// https://jarcasting.com/artifacts/com.powsybl/powsybl-iidm-test/
implementation 'com.powsybl:powsybl-iidm-test:4.9.1'

// https://jarcasting.com/artifacts/com.powsybl/powsybl-iidm-test/
implementation ("com.powsybl:powsybl-iidm-test:4.9.1")

'com.powsybl:powsybl-iidm-test:jar:4.9.1'

<dependency org="com.powsybl" name="powsybl-iidm-test" rev="4.9.1">
  <artifact name="powsybl-iidm-test" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.powsybl', module='powsybl-iidm-test', version='4.9.1')
)

libraryDependencies += "com.powsybl" % "powsybl-iidm-test" % "4.9.1"

[com.powsybl/powsybl-iidm-test "4.9.1"]