tests: describe turing.skip in README.md

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/tests/README.md b/tests/README.md
index cbf966b..578880a 100644 (file)
--- a/tests/README.md
+++ b/tests/README.md
@@ -179,6 +179,9 @@ Usually it is because the programs are interactive or run some kind of server.
 The `$os.skip` file describes tests that are to be skipped completely on the given OS.
 Usually it is because of OS specific libraries.
 
+The `turing.skip` file describes tests that are to be skipped completely on the Turing cluster doing continuous testing over MPI.
+Usually it is because of an unavailable library or a large work which would not benefit from parallelization.
+
 These `*.skip` files contain a list of patterns that will be used against test names.
 A single substring can thus be used to skip a full family of tests.