Implemented OAuth2 request access token with client credentials grant.

Change-Id: I98b8608d25eebf22eeeaf2637a181dd94c6a6fc2
diff --git a/full/src/test/resources/test-config.xml b/full/src/test/resources/test-config.xml
index 66b6c97..0445d65 100644
--- a/full/src/test/resources/test-config.xml
+++ b/full/src/test/resources/test-config.xml
@@ -184,7 +184,7 @@
 	<bean id="kustvaktExceptionHandler" class="de.ids_mannheim.korap.web.KustvaktExceptionHandler">
 		<constructor-arg index="0" name="iface" ref="kustvakt_auditing" />
 	</bean>
-	<bean id="oauth2ExceptionHandler" class="de.ids_mannheim.korap.web.OAuth2ExceptionHandler">
+	<bean id="oauth2ResponseHandler" class="de.ids_mannheim.korap.web.OAuth2ResponseHandler">
 		<constructor-arg index="0" name="iface" ref="kustvakt_auditing" />
 	</bean>