[BUGFIX] Guzzle and Guzzle3 adapater swapped in integration test (#615)

Swappes the Guzzle and Guzzle3 adapter in the integration tests

Fixes: #612

tests/Integration/TechproductsAdapters/TechproductsGuzzle3Test.php

@@ -15,7 +15,7 @@ class TechproductsGuzzle3Test extends AbstractTechproductsTest
             $this->markTestSkipped('Guzzle 3 not installed');
         } else {
             parent::setUp();
-            $this->client->setAdapter('Solarium\Core\Client\Adapter\Guzzle');
+            $this->client->setAdapter('Solarium\Core\Client\Adapter\Guzzle3');
         }
     }
 }

tests/Integration/TechproductsAdapters/TechproductsGuzzleTest.php

@@ -15,7 +15,7 @@ class TechproductsGuzzleTest extends AbstractTechproductsTest
             $this->markTestSkipped('Guzzle 6 not installed');
         } else {
             parent::setUp();
-            $this->client->setAdapter('Solarium\Core\Client\Adapter\Guzzle3');
+            $this->client->setAdapter('Solarium\Core\Client\Adapter\Guzzle');
         }
     }
 }