ceylon test -F fails with AssertionError

[pedrolamarao]

Below is the output from a PowerShell session.

Source is here: https://github.com/pedrolamarao/ceylon-samples/tree/master/ceylon-jnr

...> $env:JAVA_HOME
C:\build-1.0\.module\jdk-8\jdk8u232-b09
...> $env:CEYLON_HOME
C:\build-1.0\ceylon-1.3.3
...> $env:CEYLON_HOME\bin\ceylon.bat test -F -- test.integration
Exception in thread "main" ceylon.language.AssertionError "Assertion failed
        violated is CeylonModuleLoader loader = Module.callerModuleLoader
                expression has type ceylon.language::null which is not a subtype of ceylon.modules.jboss.runtime::CeylonModuleLoader"
        at ceylon.test.engine.internal.Runner.initializeTestedModules$priv$(Runner.ceylon:138)
        at ceylon.test.engine.internal.Runner.run(Runner.ceylon:31)
        at ceylon.test.runTestTool_.runTestTool(tool.ceylon:8)
        at ceylon.test.runTestTool_.main(tool.ceylon)
        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 com.redhat.ceylon.compiler.java.runtime.tools.impl.JavaRunnerImpl.invokeMain(JavaRunnerImpl.java:93)
        at com.redhat.ceylon.compiler.java.runtime.tools.impl.JavaRunnerImpl.run(JavaRunnerImpl.java:61)
        at ceylon.modules.bootstrap.CeylonRunTool.startInFlatClasspath(CeylonRunTool.java:424)
        at ceylon.modules.bootstrap.CeylonRunTool.run(CeylonRunTool.java:289)
        at ceylon.modules.bootstrap.CeylonTestTool.run(CeylonTestTool.java:127)
        at com.redhat.ceylon.common.tools.CeylonTool.run(CeylonTool.java:547)
        at com.redhat.ceylon.common.tools.CeylonTool.execute(CeylonTool.java:423)
        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 com.redhat.ceylon.launcher.Launcher.runInJava7Checked(Launcher.java:108)
        at com.redhat.ceylon.launcher.Launcher.run(Launcher.java:38)
        at com.redhat.ceylon.launcher.Launcher.run(Launcher.java:31)
        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 com.redhat.ceylon.launcher.Bootstrap.runVersion(Bootstrap.java:162)
        at com.redhat.ceylon.launcher.Bootstrap.runInternal(Bootstrap.java:117)
        at com.redhat.ceylon.launcher.Bootstrap.run(Bootstrap.java:93)
        at com.redhat.ceylon.launcher.Bootstrap.main(Bootstrap.java:85)