diff --git a/utils/yangutils/src/test/resources/ModuleInvalidIdentifierLength.yang b/utils/yangutils/src/test/resources/ModuleInvalidIdentifierLength.yang
new file mode 100644
index 0000000..fac16bc
--- /dev/null
+++ b/utils/yangutils/src/test/resources/ModuleInvalidIdentifierLength.yang
@@ -0,0 +1,5 @@
+module Testttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt {
+yang-version 1;
+namespace urn:ietf:params:xml:ns:yang:ietf-ospf;
+prefix On;
+}
diff --git a/utils/yangutils/src/test/resources/PositionWithDoubleQuotes.yang b/utils/yangutils/src/test/resources/PositionWithDoubleQuotes.yang
new file mode 100644
index 0000000..0c9d358
--- /dev/null
+++ b/utils/yangutils/src/test/resources/PositionWithDoubleQuotes.yang
@@ -0,0 +1,18 @@
+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+     leaf mybits {
+         type bits {
+             bit disable-nagle {
+                 position "0";
+             }
+             bit auto-sense-speed {
+                 position "1";
+             }
+             bit Ten-Mb-only {
+                 position "2";
+             }
+         }
+    }
+}
diff --git a/utils/yangutils/src/test/resources/PrefixWithDoubleQuotes.yang b/utils/yangutils/src/test/resources/PrefixWithDoubleQuotes.yang
new file mode 100644
index 0000000..e9590f1
--- /dev/null
+++ b/utils/yangutils/src/test/resources/PrefixWithDoubleQuotes.yang
@@ -0,0 +1,17 @@
+module Test {
+yang-version 1;
+namespace urn:ietf:params:xml:ns:yang:ietf-ospf;
+prefix "On";
+import ietf {
+prefix On2;
+revision-date 2015-02-03;
+}
+include itut {
+revision-date 2016-02-03;
+}
+include sdn {
+revision-date 2014-02-03;
+}
+contact "Test";
+organization "ONOS";
+}
diff --git a/utils/yangutils/src/test/resources/ValidVersionWithDoubleQuotes.yang b/utils/yangutils/src/test/resources/ValidVersionWithDoubleQuotes.yang
new file mode 100644
index 0000000..a2c718a
--- /dev/null
+++ b/utils/yangutils/src/test/resources/ValidVersionWithDoubleQuotes.yang
@@ -0,0 +1,5 @@
+module Test {
+yang-version "1";
+namespace urn:ietf:params:xml:ns:yang:ietf-ospf;
+prefix On;
+}