Forgot to add niet testsuite files.

tests/extensions/imapflags/execute.svtest

+require "vnd.dovecot.testsuite";
+
+/*
+ * Execution testing (currently just meant to trigger any segfaults)
+ */
+
+test "Flags Side Effect" {
+	if not test_compile "execute/flags-side-effect.sieve" {
+		test_fail "script compile failed";
+	}
+
+	if not test_execute {
+		test_fail "script execute failed";
+	}
+}

tests/extensions/imapflags/execute/flags-side-effect.sieve

+require "imap4flags"; 
+require "fileinto";
+
+/*
+ * When keep/fileinto is used multiple times in a script and duplicate 
+ * message elimination is performed, the last flag list value MUST win.
+ */
+
+setflag "IMPLICIT";
+
+fileinto :flags "\\Seen \\Draft" "INBOX.Junk";
+fileinto :flags "NONSENSE" "INBOX.Junk";
+
+keep;
+keep :flags "\\Seen";
+
+fileinto :flags "\\Seen" "Inbox.Nonsense";
+fileinto "Inbox.Nonsense";