Bug 59039 JUNIT_HOME has preceeding slash in value [JUnit]
The JUNIT_HOME variable has a preceeding slash in its value. Path with a device should not start with a slash JUNIT_HOME = /c:\dev\eclipse\plugins\org.junit_3.8.1\
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/JUnitHomeInitializer.java
/**
	 * @see ClasspathVariableInitializer#initialize(String)
	 */
	public void initialize(String variable) {
		Plugin plugin= Platform.getPlugin("org.junit"); 
		
		if (plugin == null) {
			JavaCore.removeClasspathVariable(JUnitPlugin.JUNIT_HOME, null);
		}
		URL installLocation= plugin.getDescriptor().getInstallURL();
		URL local= null;
		try {
			try {
				local= Platform.asLocalURL(installLocation);
			} catch (IOException e) {
				JavaCore.removeClasspathVariable(JUnitPlugin.JUNIT_HOME, null);
			}
			JavaCore.setClasspathVariable(JUnitPlugin.JUNIT_HOME, new Path(local.getFile()), null);
		} catch (JavaModelException e1) {
			JavaCore.removeClasspathVariable(JUnitPlugin.JUNIT_HOME, null);
		}
	}
}