[geary/mjog/async-unit-test-improvements: 5/6] Fix failing test after test case async changes

[Michael Gratton <mjog src gnome org>]

commit c98efafb28b78525c036607771dc73a653f84eb6
Author: Michael Gratton <mike vee net>
Date:   Fri Apr 10 14:29:20 2020 +1000

    Fix failing test after test case async changes

 test/engine/imap/transport/imap-deserializer-test.vala | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/test/engine/imap/transport/imap-deserializer-test.vala 
b/test/engine/imap/transport/imap-deserializer-test.vala
index 0759025a..d7380eaa 100644
--- a/test/engine/imap/transport/imap-deserializer-test.vala
+++ b/test/engine/imap/transport/imap-deserializer-test.vala
@@ -270,7 +270,11 @@ class Geary.Imap.DeserializerTest : TestCase {
         this.process.begin(Expect.MESSAGE, this.async_completion);
         RootParameters? message = this.process.end(async_result());
         assert(message.to_string() == bye);
-        assert(eos);
+        assert_false(eos);
+
+        this.process.begin(Expect.EOS, this.async_completion);
+        assert_true(eos);
+
         assert(this.deser.is_halted());
     }