Small fixes in unittest and edismax example

examples/2.1.5.5-edismax.php

@@ -10,10 +10,7 @@ $client = new Solarium\Client($config);
 $query = $client->createSelect();
 
 // get the dismax component and set a boost query
-$dismax = $query->getDisMax();
-
-// override the default setting of 'dismax' to enable 'edismax'
-$dismax->setQueryParser('edismax');
+$edismax = $query->getEDisMax();
 
 // this query is now a dismax query
 $query->setQuery('memory -printer');

tests/Solarium/Tests/QueryType/Update/RequestBuilderTest.php

@@ -72,7 +72,7 @@ class RequestBuilderTest extends \PHPUnit_Framework_TestCase
     {
         $request = $this->builder->build($this->query);
         $this->assertEquals(
-            'update?omitHeader=true&wt=json',
+            'update?omitHeader=false&wt=json',
             $request->getUri()
         );
     }