Resolve "allow to archive project"

Closes #1949 (closed)

web/src/test/java/lcsb/mapviewer/web/MapControllerIntegrationTest.java

@@ -917,7 +917,7 @@ public class MapControllerIntegrationTest extends ControllerIntegrationTest {
     String content = mockMvc.perform(elementRequest).andReturn().getResponse().getContentAsString();
 
     RequestBuilder request = get("/api/projects/{projectId}/models/{mapId}:downloadImage?"
-        + "handlerClass=" + PngImageGenerator.class.getCanonicalName()
+        + "handlerClass=" + PdfImageGenerator.class.getCanonicalName()
         + "&polygonString=10000,10000;10001,10000;10000,10001",
         TEST_PROJECT, map.getId())
             .session(session);