Adds the ability to run pure Go unit tests in the Mojo test suite.

mojo/tools/data/gotests

Index: mojo/tools/data/gotests
diff --git a/mojo/tools/data/gotests b/mojo/tools/data/gotests
new file mode 100644
index 0000000000000000000000000000000000000000..1e63ba16599bd309f42a156ae9b7707054e40a8d
--- /dev/null
+++ b/mojo/tools/data/gotests
@@ -0,0 +1,11 @@
+# This file contains a list of Go tests that should be run by the script
+# mojo/tools/run_pure_go_tests.py.
+#
+# The contents should be valid Python defining a global variable named
+# "test_dirs" defined as a list of lists. Each sublist contains the
+# components of a path, relative to the Mojo source root, of a directory
+# containing a Go package.
+test_dirs = [
+   ['mojom', 'mojom_parser', 'lexer'],

[viettrungluu, 2015/10/09 21:39:49]

Representing a path as a list is pretty user-unfriendly. I suggest just using
strings (separating components using '/').

[rudominer, 2015/10/09 23:42:06]

Done.

+   ['mojom', 'mojom_parser', 'parser']
+]