Added empirist test suite

Change-Id: I89c88b30b5db656a622574d52eb1ed6ed9d3e600
diff --git a/.gitignore b/.gitignore
index 7565a4e..e9e408f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+/corpus/empirist_*
 /sandbox
 /Sandbox
 /corpus/*.txt