Integration tests fail on the 8.2.x branch

java.lang.RuntimeException: Arquillian has previously been attempted initialized, but failed. See cause for previous exception
Caused by: java.lang.RuntimeException: Could not create deployable configuration
	at org.infinispan.arquillian.core.InfinispanConfigurator.configureInfinispan(InfinispanConfigurator.java:119)
Caused by: org.jboss.arquillian.container.spi.ConfigurationException: javaHome '${env.JAVA_HOME}' must exist
	at org.jboss.arquillian.container.spi.client.deployment.Validate.configurationDirectoryExists(Validate.java:139)
	at org.jboss.as.arquillian.container.DistributionContainerConfiguration.validate(DistributionContainerConfiguration.java:102)
	at org.jboss.as.arquillian.container.managed.ManagedContainerConfiguration.validate(ManagedContainerConfiguration.java:71)
	at org.jboss.arquillian.container.impl.ContainerImpl.createDeployableConfiguration(ContainerImpl.java:115)
	at org.infinispan.arquillian.core.InfinispanConfigurator.configureInfinispan(InfinispanConfigurator.java:95)