Bug 56016 JUnitLaunchShortcut#launchConfiguration() should call DebugUITools#launch() instead of config.launch() [JUnit]
I20040324 ILaunchConfiguration#launch(String, IProgressMonitor) never performs a build prior to the launch. DebugUITools#launch(ILaunchConfiguratio, String) saves and builds the workspace according to the current preference settings.
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/launcher/JUnitLaunchShortcut.java
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 * Copyright (c) 2000, 2003 IBM Corporation and others.
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package org.eclipse.jdt.internal.junit.launcher;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collections;