eclipse/php php7.0 not compatible with PHPUnit version

[DrRSatzteil]

When trying to run a unit test in the default workspace the following log statement is shown in the console:

“PHPUnit 7.2.4 by Sebastian Bergmann and contributors.

This version of PHPUnit is supported on PHP 7.1 and PHP 7.2.
You are using PHP 7.0.30-0ubuntu0.16.04.1 (/usr/bin/php7.0).
Test suite is empty.“

Reproduction Steps:
Open a PHPUnit Testcase an run it via Run -> Test -> Run Test

Che version: 6.6.0

OS and version: Ubuntu 18.04

Docker version: Docker version 18.03.1-ce, build 9ee9f40

Che cli.log output:
Mon Jun 11 06:55:21 UTC 2018
/usr/bin/curl "-I -k https://hub.docker.com -s -o /dev/null --write-out %{http_code}"
Checking registry for version '6.6.0' images
eval BOOTSTRAP_IMAGE_ALPINE=${BOOTSTRAP_IMAGE_ALPINE:-alpine:3.4}
eval BOOTSTRAP_IMAGE_CHEIP=${BOOTSTRAP_IMAGE_CHEIP:-eclipse/che-ip:6.6.0}
eval IMAGE_INIT=${IMAGE_INIT:-eclipse/che-init:6.6.0}
eval IMAGE_CHE=${IMAGE_CHE:-eclipse/che-server:6.6.0}
eval IMAGE_COMPOSE=${IMAGE_COMPOSE:-docker/compose:1.10.1}
eval UTILITY_IMAGE_CHEACTION=${UTILITY_IMAGE_CHEACTION:-eclipse/che-action:6.6.0}
eval UTILITY_IMAGE_CHEDIR=${UTILITY_IMAGE_CHEDIR:-eclipse/che-dir:6.6.0}
eval UTILITY_IMAGE_CHETEST=${UTILITY_IMAGE_CHETEST:-eclipse/che-test:6.6.0}
eval UTILITY_IMAGE_CHEMOUNT=${UTILITY_IMAGE_CHEMOUNT:-eclipse/che-mount:6.6.0}
INFO: (che cli): 6.6.0 - using docker 18.03.1-ce / native
/usr/bin/curl "-s https://hub.docker.com/v2/repositories/eclipse/che/tags/"
docker inspect -f '{{.Id}}' che
/usr/bin/curl "-I -k 192.168.0.100:8080/api/system/state -s -o /dev/null --write-out %{http_code}"
000
INFO: (che config): Generating che configuration...
docker_run --env-file="/data/che.env" --env-file=/version/6.6.0/images -v "/home/thomas/che/instance":/opt/che:rw -e "CHE_ENV_FILE=/home/thomas/che/instance/config/che.env" -e "CHE_CONTAINER_ROOT=/data" -e "CHE_CONTAINER_NAME=che" -e "CHE_ENVIRONMENT=production" -e "CHE_CONFIG=/home/thomas/che/instance" -e "CHE_USER=root" -e "CHE_INSTANCE=/home/thomas/che/instance" -e "CHE_REPO=off" --entrypoint=/usr/bin/puppet eclipse/che-init:6.6.0 apply --modulepath /etc/puppet/modules/:/etc/puppet/addon/ /etc/puppet/manifests/ --show_diff >> "/data/cli.log"
Notice: Compiled catalog for d8f5ed2ed155.home in environment production in 0.35 seconds
Notice: Applied catalog in 0.33 seconds
INFO: (che config): Customizing docker-compose for running in a container
INFO: (che start): Preflight checks
mem (1.5 GiB): [OK]
disk (100 MB): [OK]
port 8080 (http): [AVAILABLE]
1ec495919961ef07e2527c7280c173f33995c7abff3a7d049c4ac75cb0507a62
/usr/bin/curl "-I localhost:32768/alpine-release -s -o /dev/null --connect-timeout 5 --write-out %{http_code}"
28
/usr/bin/curl "-I 192.168.0.100:32768/alpine-release -s -o /dev/null --connect-timeout 5 --write-out %{http_code}"
conn (browser => ws): [OK]
conn (server => ws): [OK]
fakeagent-8080

INFO: (che start): Starting containers...
docker_compose --file="/data/instance/docker-compose-container.yml" -p="che" up -d >> "/data/cli.log" 2>&1
Creating che
docker inspect -f '{{.Id}}' che
INFO: (che start): Services booting...
INFO: (che start): Server logs at "docker logs -f che"
DEBUG: Container with id d3e6a60732d8 is matching che service
DEBUG: Running state of container d3e6a60732d8 is true
/usr/bin/curl "-I -k 192.168.0.100:8080/api/system/state -s -o /dev/null --write-out %{http_code}"
200
DEBUG: Container with id d3e6a60732d8 is matching che service
DEBUG: Running state of container d3e6a60732d8 is true
docker inspect -f '{{.Id}}' che
/usr/bin/curl "-I -k 192.168.0.100:8080/api/system/state -s -o /dev/null --write-out %{http_code}"
200
docker inspect -f '{{.Id}}' che
/usr/bin/curl "-I -k 192.168.0.100:8080/api/system/state -s -o /dev/null --write-out %{http_code}"
200
INFO: (che start): Booted and reachable
INFO: (che start): Ver: 6.6.0
INFO: (che start): Use: http://192.168.0.100:8080
INFO: (che start): API: http://192.168.0.100:8080/swagger