test-patchbomb: disable sendmail tests on Windows
These tests were failing, and there isn't a trivial way to execute a script on
Windows [1].
[1] https://www.mercurial-scm.org/pipermail/mercurial-devel/2017-April/096497.html
--- a/tests/test-patchbomb.t Fri Apr 07 10:46:32 2017 -0700
+++ b/tests/test-patchbomb.t Mon Apr 10 21:12:54 2017 -0400
@@ -2846,6 +2846,7 @@
@@ -0,0 +1,1 @@
+d
+#if no-windows
Set up a fake sendmail program
@@ -3026,3 +3027,4 @@
(use 'hg push $TESTTMP/t3 -r ff2c9fa2018b -r 3b6f1ec9dde9')
[255]
+#endif