tests add to namespace sls (#466)

* tests add to namespace sls

* fixed for tests

* finish up namespace sls for tests

slsSupportLib/tests/test-ZmqSocket.cpp

@@ -3,6 +3,9 @@
 #include "catch.hpp"
 #include "sls/ZmqSocket.h"
 
+namespace sls {
+
+
 TEST_CASE("Throws when cannot create socket") {
     REQUIRE_THROWS(ZmqSocket("sdiasodjajpvv", 5076001));
 }
@@ -113,4 +116,6 @@ TEST_CASE("Send header and data") {
     for (size_t i = 0; i != data.size(); ++i) {
         REQUIRE(data[i] == received_data[i]);
     }
-}
+}
+
+} //namespace