ash: add all hush parsing tests to ast tests

All pass.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-parsing/brace1.right b/shell/ash_test/ash-parsing/brace1.right
new file mode 100644
index 0000000..10aa7a4
--- /dev/null
+++ b/shell/ash_test/ash-parsing/brace1.right
@@ -0,0 +1,7 @@
+{abc}
+{
+}
+./brace1.tests: line 4: {cmd: not found
+./brace1.tests: line 5: {: not found
+./brace1.tests: line 6: {: not found
+Done: 127