fix: disable proofkeys in CI and don't skip validator tests

Proofkeys feature can't be tested with the wopi validator for now.
The "FakeOffice" doesn't provide the keys in the discovery endpoint, and
the wopi validator doesn't seem to send any header with the proof.

.drone.star

@@ -929,6 +929,7 @@ def wopiValidatorTests(ctx, storage, wopiServerType, accounts_hash_difficulty =
                     "COLLABORATION_LOG_LEVEL": "debug",
                     "COLLABORATION_HTTP_ADDR": "0.0.0.0:9300",
                     "COLLABORATION_GRPC_ADDR": "0.0.0.0:9301",
+                    "COLLABORATION_APP_PROOF_DISABLE": "true", # no proof keys available in the FakeOffice
                     "COLLABORATION_APP_NAME": "FakeOffice",
                     "COLLABORATION_APP_ADDR": "http://fakeoffice:8080",
                     "COLLABORATION_APP_INSECURE": "true",
@@ -955,7 +956,7 @@ def wopiValidatorTests(ctx, storage, wopiServerType, accounts_hash_difficulty =
                 "export WOPI_SRC=$(cat wopisrc)",
                 "echo $WOPI_SRC",
                 "cd /app",
-                "/app/Microsoft.Office.WopiValidator -s -t $WOPI_TOKEN -w $WOPI_SRC -l $WOPI_TTL --testgroup %s" % testgroup,
+                "/app/Microsoft.Office.WopiValidator -t $WOPI_TOKEN -w $WOPI_SRC -l $WOPI_TTL --testgroup %s" % testgroup,
             ],
         })