Turn off DirectGet for KV bucket in test

Chaos tests checks for freshness of keys retrieved via Get.
As such, turn off DirectGet which can return stale values

Signed-off-by: Marco Primi <marco@synadia.com>

server/jetstream_chaos_test.go

@@ -1166,6 +1166,25 @@ func TestJetStreamChaosKvCAS(t *testing.T) {
 		t.Fatalf("Failed to get KV store: %v", err)
 	}
 
+	// Manually disable DirectGet on underlying stream
+	// (Ensure latest key revision is returned by routing the request through the leader)
+	streamInfo, err := js.StreamInfo("KV_" + chaosKvTestsBucketName)
+	if err != nil {
+		t.Fatalf("Failed to get stream info: %s", err)
+	}
+	streamInfo.Config.AllowDirect = false
+	streamInfo, err = js.UpdateStream(&streamInfo.Config)
+	if err != nil {
+		t.Fatalf("Failed to update KV stream: %s", err)
+	} else if streamInfo.Config.AllowDirect {
+		t.Fatalf("Failed to disable 'DirectGet'")
+	}
+
+	kv, err = js.KeyValue(chaosKvTestsBucketName)
+	if err != nil {
+		t.Fatalf("Failed reopen KV handle: %s", err)
+	}
+
 	// Create set of keys and initialize them with dummy value
 	keys := make([]string, numKeys)
 	for k := 0; k < numKeys; k++ {