Fix assert argument order in OAuth2AuthorizationPostTest

Change-Id: Idfa53f0cd72da9e45491c972cc94dc60170b5d0f
diff --git a/src/test/java/de/ids_mannheim/korap/web/controller/OAuth2AuthorizationPostTest.java b/src/test/java/de/ids_mannheim/korap/web/controller/OAuth2AuthorizationPostTest.java
index 9225220..4251fc0 100644
--- a/src/test/java/de/ids_mannheim/korap/web/controller/OAuth2AuthorizationPostTest.java
+++ b/src/test/java/de/ids_mannheim/korap/web/controller/OAuth2AuthorizationPostTest.java
@@ -57,7 +57,7 @@
         MultiValueMap<String, String> params = UriComponentsBuilder
                 .fromUri(redirectUri).build().getQueryParams();
         assertNotNull(params.getFirst("code"));
-        assertEquals(params.getFirst("state"), "thisIsMyState");
+        assertEquals("thisIsMyState", params.getFirst("state"));
     }
 
     @Test