Bug 164247 [DataBinding] NPE from ObservableMapLabelProvider when value is null
When a null value is to be returned from getColumnText(...) a NPE is thrown. It's trying to do a toString() on the null value.
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/databinding/BindingTestSuite.java
addTestSuite(SelectionProviderSingleSelectionObservableValueTest.class);
        
        
        addTestSuite(AbstractObservableTest.class);
        addTestSuite(ObservablesTest.class);
        
        
        addTestSuite(SelectionObservableValueTest.class);
    }
    /**
     * @param testCase
     *            TODO
     * @return true if the given test is temporarily disabled
     */
    public static boolean failingTestsDisabled(TestCase testCase) {
        System.out.println("Ignoring disabled test: " + testCase.getClass().getName() + "." + testCase.getName());
        return true;
    }
    /**
     * @param testSuite
     *            TODO
     * @return true if the given test is temporarily disabled
     */
    public static boolean failingTestsDisabled(TestSuite testSuite) {
        System.out.println("Ignoring disabled test: " + testSuite.getClass().getName() + "." + testSuite.getName());
        return true;
    }
}