[geary/mjog/rfc822-cleanup: 19/21] test/test-server.vala: Fix build warning

[Michael Gratton <mjog src gnome org>]

commit 6f0f9c36027fed627b78f7bd31073be4aac9e628
Author: Michael Gratton <mike vee net>
Date:   Wed May 6 12:25:14 2020 +1000

    test/test-server.vala: Fix build warning

 test/test-server.vala | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/test/test-server.vala b/test/test-server.vala
index 39e99e704..b08946883 100644
--- a/test/test-server.vala
+++ b/test/test-server.vala
@@ -132,6 +132,10 @@ public class TestServer : GLib.Object {
         foreach (var line in this.script) {
             result.line = line;
             switch (line.action) {
+            case CONNECTED:
+                // no-op
+                break;
+
             case SEND_LINE:
                 debug("Sending: %s", line.value);
                 try {