Append testcases from jjohansen@suse.de.

Acked-By: Steve Beattie <steve@nxnw.org>

parser/tst/simple_tests/simple_bad_append_1.sd

@@ -0,0 +1,8 @@
+#
+#=DESCRIPTION w and a conflict
+#=EXRESULT FAIL
+#
+/usr/bin/foo {
+  /a wa,
+}
+

parser/tst/simple_tests/simple_ok_append_1.sd

@@ -0,0 +1,13 @@
+#
+#=DESCRIPTION test append
+#=EXRESULT PASS
+#
+/usr/bin/foo {
+  /bin/cat a,
+  /bin/true ra,
+  /bin/false ma,
+  /lib/libc.so la,
+  /bin/less ixa,
+  /bin/more pxa,
+  /a uxa,
+}