docker-compose file works for build but not for cube test

[nicolasduminil]

Issue Overview

docker-compose.yml works correctly for build but not for cube testing

Expected Behaviour

Attached docker-compose.yml valid

Current Behaviour

Exception below is raised

Steps To Reproduce

1. mvn -DskipTests clean package. This starts two docker images, one running a Wildfly 10 application server with a WAR file deployed, the other one running a MySQL 5.7 databse server.
2. mvn test. Raises the exception below.

Additional Information

<details>
fr.simplex_software.travel_agency.tests.integration.api.resources.ProfitDataTest  Time elapsed: 0.378 sec  <<< ERROR!
java.lang.RuntimeException: Could not create new instance of class org.jboss.arquillian.test.impl.EventTestRunnerAdaptor
	at org.jboss.arquillian.test.spi.SecurityActions.newInstance(SecurityActions.java:165)
	at org.jboss.arquillian.test.spi.SecurityActions.newInstance(SecurityActions.java:102)
	at org.jboss.arquillian.test.spi.TestRunnerAdaptorBuilder.build(TestRunnerAdaptorBuilder.java:52)
	at org.jboss.arquillian.junit.Arquillian.run(Arquillian.java:113)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.jboss.arquillian.test.spi.SecurityActions.newInstance(SecurityActions.java:161)
	... 15 more
Caused by: java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to java.util.Collection
	at org.arquillian.cube.docker.impl.util.YamlUtil.asListOfString(YamlUtil.java:23)
	at org.arquillian.cube.docker.impl.docker.compose.ContainerBuilder.build(ContainerBuilder.java:194)
	at org.arquillian.cube.docker.impl.docker.compose.ComposeBuilder.build(ComposeBuilder.java:52)
	at org.arquillian.cube.docker.impl.docker.compose.DockerComposeConverter.convertCompose(DockerComposeConverter.java:86)
	at org.arquillian.cube.docker.impl.docker.compose.DockerComposeConverter.convert(DockerComposeConverter.java:70)
	at org.arquillian.cube.docker.impl.client.DockerContainerDefinitionParser.convert(DockerContainerDefinitionParser.java:84)
	at org.arquillian.cube.docker.impl.client.DockerContainerDefinitionParser.convert(DockerContainerDefinitionParser.java:76)
	at org.arquillian.cube.docker.impl.client.DockerContainerDefinitionParser.convert(DockerContainerDefinitionParser.java:48)
	at org.arquillian.cube.docker.impl.client.CubeDockerConfiguration.fromMap(CubeDockerConfiguration.java:162)
	at org.arquillian.cube.docker.impl.client.CubeDockerConfigurator.configure(CubeDockerConfigurator.java:81)
	at org.arquillian.cube.docker.impl.client.CubeDockerConfigurator.configure(CubeDockerConfigurator.java:63)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
	at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:145)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:116)
	at org.jboss.arquillian.core.impl.ManagerImpl.bindAndFire(ManagerImpl.java:265)
	at org.jboss.arquillian.core.impl.InstanceImpl.set(InstanceImpl.java:74)
	at org.arquillian.cube.impl.client.CubeConfigurator.configure(CubeConfigurator.java:23)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
	at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:145)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:116)
	at org.jboss.arquillian.core.impl.ManagerImpl.bindAndFire(ManagerImpl.java:265)
	at org.jboss.arquillian.core.impl.InstanceImpl.set(InstanceImpl.java:74)
	at org.jboss.arquillian.config.impl.extension.ConfigurationRegistrar.loadConfiguration(ConfigurationRegistrar.java:73)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
	at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:145)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:116)
	at org.jboss.arquillian.core.impl.ManagerImpl.start(ManagerImpl.java:290)
	at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.<init>(EventTestRunnerAdaptor.java:63)
	... 20 more
</details>

The exception started be be raised as soon as I added the MySQL service. Removing this service works as expected.
docker-compose.txt