Adding basic sanity test.
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index a132ef4..2d6582a 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -224,6 +224,23 @@
   def __str__(self):
     return 'csharp'
 
+class Sanity(object):
+
+  def test_specs(self, config, travis):
+    return [config.job_spec('tools/run_tests/run_sanity.sh', None)]
+
+  def make_targets(self):
+    return ['run_dep_checks']
+
+  def build_steps(self):
+    return []
+
+  def supports_multi_config(self):
+    return False
+
+  def __str__(self):
+    return 'sanity'
+
 # different configurations we can run under
 _CONFIGS = {
     'dbg': SimpleConfig('dbg'),
@@ -248,7 +265,8 @@
     'php': PhpLanguage(),
     'python': PythonLanguage(),
     'ruby': RubyLanguage(),
-    'csharp': CSharpLanguage()
+    'csharp': CSharpLanguage(),
+    'sanity': Sanity(),
     }
 
 # parse command line