code: @FactoryMethod
      public static IsInstanceExpectation create( String expected )
      {
          Class klass = loadClass( expected );
          return klass != null ? new IsInstanceExpectation( klass ) : null;
      }
docs: <p>create.</p>
  
  @param expected a {@link java.lang.String} object.
  @return a {@link com.greenpepper.expectation.IsInstanceExpectation} object.