Vaadin Elements integration for TestBench

<!-- https://jarcasting.com/artifacts/com.vaadin/vaadin-components-testbench/ -->
<dependency>
    <groupId>com.vaadin</groupId>
    <artifactId>vaadin-components-testbench</artifactId>
    <version>2.0.3</version>
</dependency>

// https://jarcasting.com/artifacts/com.vaadin/vaadin-components-testbench/
implementation 'com.vaadin:vaadin-components-testbench:2.0.3'

// https://jarcasting.com/artifacts/com.vaadin/vaadin-components-testbench/
implementation ("com.vaadin:vaadin-components-testbench:2.0.3")

'com.vaadin:vaadin-components-testbench:jar:2.0.3'

<dependency org="com.vaadin" name="vaadin-components-testbench" rev="2.0.3">
  <artifact name="vaadin-components-testbench" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.vaadin', module='vaadin-components-testbench', version='2.0.3')
)

libraryDependencies += "com.vaadin" % "vaadin-components-testbench" % "2.0.3"

[com.vaadin/vaadin-components-testbench "2.0.3"]