<dependency>
  <groupId>junit</groupId>
  <artifactId>junit</artifactId>
  <version>4.13.2</version>
</dependency>

'junit:junit:jar:4.13.2'

<dependency org="junit" name="junit" rev="4.13.2">
  <artifact name="junit" type="jar" />
</dependency>

@Grapes(
@Grab(group='junit', module='junit', version='4.13.2')
)

compile 'junit:junit:4.13.2'

[junit "4.13.2"]

libraryDependencies += "junit" % "junit" % "4.13.2"