Lexicon: testing updates.

unit_tests/test_Lexicon.cc

diff --git a/unit_tests/test_Lexicon.cc b/unit_tests/test_Lexicon.cc
index 3f7a7af..643493f 100644
--- a/unit_tests/test_Lexicon.cc
+++ b/unit_tests/test_Lexicon.cc
@@ -216,7 +216,6 @@
 
 };
 
-#if 0
 TEST_CASE("Lexicon Constructor 2", "[libts][Lexicon]")
 {
   // Check the various construction cases
@@ -239,4 +238,3 @@
   REQUIRE(v5["q"] == INVALID);
   REQUIRE(v5[C] == "Invalid");
 }
-#endif