### Question:
HeaderExpression extends AbstractNameValueExpression<String> { @Override protected boolean isCaseSensitiveName() { return false; } HeaderExpression(String expression);   }### Answer:
@Test public void testIsCaseSensitiveName() { Assert.assertFalse(createExpression("a=1").isCaseSensitiveName()); Assert.assertFalse(createExpression("a=!1").isCaseSensitiveName()); Assert.assertFalse(createExpression("b=1").isCaseSensitiveName()); }