On the master (Oxygen) branch, all of the JUnit tests in my workspace that use various ModelSet and/or Papyrus Editor fixtures fail to load the models on which they operate. It appears that some kind of *.properties file is now required, but none of the test models has these files.
java.lang.AssertionError: Failed to load test resource: models/sync/sync-test.properties
at org.junit.Assert.fail(Assert.java:88)
at org.eclipse.papyrus.junit.utils.rules.AbstractModelFixture.doInitModelResource(AbstractModelFixture.java:526)
at org.eclipse.papyrus.junit.utils.rules.AbstractModelFixture.initModelResource(AbstractModelFixture.java:342)
at org.eclipse.papyrus.junit.utils.rules.AbstractModelFixture.initModelResource(AbstractModelFixture.java:312)
at org.eclipse.papyrus.junit.utils.rules.AbstractModelFixture.initModelResources(AbstractModelFixture.java:260)
at org.eclipse.papyrus.junit.utils.rules.PapyrusEditorFixture.openAll(PapyrusEditorFixture.java:432)
at org.eclipse.papyrus.junit.utils.rules.PapyrusEditorFixture.starting(PapyrusEditorFixture.java:228)
at org.junit.rules.TestWatcher.startingQuietly(TestWatcher.java:108)
at org.junit.rules.TestWatcher.access$000(TestWatcher.java:46)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:53)
at org.eclipse.papyrus.junit.utils.rules.ProjectFixture$1.evaluate(ProjectFixture.java:162)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
...