Disable broken tests.

Upstream-Issue: https://github.com/openresty/sregex/issues/30

--- a/t/01-sanity-02.t
+++ b/t/01-sanity-02.t
@@ -207,6 +207,7 @@
 === TEST 34:
 --- re: x{0, 1}
 --- s: x{0, 1}
+--- SKIP
 
 
 
@@ -219,12 +220,14 @@
 === TEST 36:
 --- re: x{0 ,1}
 --- s: x{0 ,1}
+--- SKIP
 
 
 
 === TEST 37:
 --- re: x{,12}
 --- s: x{,12}
+--- SKIP