Simplified unit testing of sandboxing code.

sandbox/linux/tests/main.cc

Index: sandbox/linux/tests/main.cc
diff --git a/sandbox/linux/tests/unit_tests.cc b/sandbox/linux/tests/main.cc
similarity index 99%
copy from sandbox/linux/tests/unit_tests.cc
copy to sandbox/linux/tests/main.cc
index 2e24d8c07c8ffa27386099f439bbda83b1894e2c..44126453214ebebb2609957fb74219391d8142ad 100644
--- a/sandbox/linux/tests/unit_tests.cc
+++ b/sandbox/linux/tests/main.cc
@@ -3,6 +3,8 @@
 // found in the LICENSE file.
 
 #include "testing/gtest/include/gtest/gtest.h"
+
+
 int main(int argc, char *argv[]) {
   testing::InitGoogleTest(&argc, argv);
   // Always go through re-execution for death tests.