Disable issue-59756 test for now

Aaron1011 · Aaron1011 · commit a6883c0ab000 · 2019-12-03T21:56:32.000-05:00
Currently, rustfix has no notion of mutually exclusive suggestions. When
it processes issue-59756, it will attempt to apply two mutually
exclusive suggestions for the same span, causing an error.
diff --git a/src/test/ui/issues/issue-59756.rs b/src/test/ui/issues/issue-59756.rs
@@ -1,4 +1,8 @@
 // run-rustfix
+// ignore-test
+//
+// FIXME: Re-enable this test once we support choosing
+// between multiple mutually exclusive suggestions for the same span
 
 #![allow(warnings)]
 
