Random failing org.eclipse.pde.core.tests.internal.WorkspaceProductModelManagerTest.testProducts_productAddedToDerivedSourceFolder

[laeubi]

The test org.eclipse.pde.core.tests.internal.WorkspaceProductModelManagerTest.testProducts_productAddedToDerivedSourceFolderrandomly fails with:

java.lang.NullPointerException: Cannot invoke "java.util.Collection.size()" because "products" is null
	at org.eclipse.pde.core.tests.internal.WorkspaceProductModelManagerTest.assertSingleProductWithId(WorkspaceProductModelManagerTest.java:151)
	at org.eclipse.pde.core.tests.internal.WorkspaceProductModelManagerTest.testProducts_productAddedToDerivedSourceFolder(WorkspaceProductModelManagerTest.java:87)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.eclipse.pde.ui.tests.runtime.TestUtils$1.evaluate(TestUtils.java:271)