Add a unit test
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 1fb2399..f81e8ef 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1444,6 +1444,19 @@
   {
     "deps": [
       "gpr", 
+      "grpc", 
+      "grpc++"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "secure_auth_context_test", 
+    "src": [
+      "test/cpp/common/secure_auth_context_test.cc"
+    ]
+  }, 
+  {
+    "deps": [
+      "gpr", 
       "gpr_test_util", 
       "grpc", 
       "grpc++",