hush: add brace expansion testcase

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/hush_test/hush-glob/bash_brace1.right b/shell/hush_test/hush-glob/bash_brace1.right
new file mode 100644
index 0000000..63365c9
--- /dev/null
+++ b/shell/hush_test/hush-glob/bash_brace1.right
@@ -0,0 +1,4 @@
+bash_brace1.tests
+*{b,b}race1.t*
+bash_brace1.tests bash_brace1.tests
+Done: 0