[ONOS-6695]supporting single quoted binary values

Change-Id: Icda3f064c5a2216938ae965d75151091f93ffda7
diff --git a/compiler/base/parser/src/test/resources/ContainerSubStatementWhen.yang b/compiler/base/parser/src/test/resources/ContainerSubStatementWhen.yang
index c25b499..84757ab 100644
--- a/compiler/base/parser/src/test/resources/ContainerSubStatementWhen.yang
+++ b/compiler/base/parser/src/test/resources/ContainerSubStatementWhen.yang
@@ -3,7 +3,7 @@
     namespace "http://huawei.com";
     prefix Ant;
     list interface-switching-capability {
-         when "../switching-capability = 'TDM'" {
+         when "../switching-capability = TDM" {
                  description "Valid only for TDM";
          }
          key "switching-capability";
@@ -22,7 +22,7 @@
          }
      }
      container time-division-multiplex-capable {
-         when "../switching-capability = 'TDM'" {
+         when "../switching-capability = TDM" {
              description "Valid only for TDM";
          }
          description