Regression
org.eclipse.wst.jsdt.ui.tests.contentassist.ObjectDeclaraionTest.testObjectFields_ExpressionStarted_SameFile (from org.eclipse.wst.jsdt.ui.tests.JSDTUITests)
Error Message
Unable to open JS editor: class org.eclipse.ui.internal.genericeditor.ExtensionBasedTextEditor
Stacktrace
junit.framework.AssertionFailedError: Unable to open JS editor: class org.eclipse.ui.internal.genericeditor.ExtensionBasedTextEditor at org.eclipse.wst.jsdt.ui.tests.contentassist.ObjectDeclaraionTest.testObjectFields_ExpressionStarted_SameFile(ObjectDeclaraionTest.java:45)