test: the test for the exclude code mistakenly excludes the tag "="

The tests for the exclude code in search and count use the line
    notmuch config set search.exclude_tags = deleted
which actually sets the exclude tags to be "=" and "deleted". Remove
the "=" from this line.

1 files changed, 1 insertions, 1 deletions

diff --git a/test/count b/test/count
index 976fff16..b97fc066 100755
--- a/test/count
+++ b/test/count
@@ -38,7 +38,7 @@ test_expect_equal \
     "`notmuch count --output=threads ${SEARCH}`"
 
 test_begin_subtest "count excluding \"deleted\" messages"
-notmuch config set search.exclude_tags = deleted
+notmuch config set search.exclude_tags deleted
 generate_message '[subject]="Not deleted"'
 generate_message '[subject]="Another not deleted"'
 generate_message '[subject]="Deleted"'