[gnumeric] Tests: don't complain over concatenate coming back as concat for ods.

[Morten Welinder <mortenw src gnome org>]

commit 7f8183bcd519ee4b2587922b78476d68b29ebf75
Author: Morten Welinder <terra gnome org>
Date:   Tue Nov 21 07:45:34 2017 -0500

    Tests: don't complain over concatenate coming back as concat for ods.
    
    Same function.

 test/t6590-samples.pl |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/test/t6590-samples.pl b/test/t6590-samples.pl
index 5816bf7..ba222f5 100755
--- a/test/t6590-samples.pl
+++ b/test/t6590-samples.pl
@@ -44,11 +44,12 @@ if (&subtest ("ods")) {
 
     # Replace calls to boolean functions with constants
     my $bool_func_filter = "$PERL -p -e 's{\\b(true|false)\\(\\)}{uc(\$1)}e'";
+    my $concat_filter = "$PERL -p -e 's{\\bconcatenate\\b}{concat} and s{\\baa\\b}{bb}'";
 
     &test_roundtrip ($file,
                     'format' => 'Gnumeric_OpenCalc:odf',
                     'ext' => "ods",
-                    'filter0' => "$bool_func_filter",
+                    'filter0' => "$bool_func_filter | $concat_filter",
                     'filter2' => 'std:drop_generator',
                     'ignore_failure' => 1);
 }