fixing bug in xosapilibrary

Change-Id: I8ca1f396fc8bee06c8076499083724c9bb42b333
diff --git a/src/test/cord-api/Tests/targets/xoslibrary.xtarget b/src/test/cord-api/Tests/targets/xoslibrary.xtarget
index c278ca6..94d2bc2 100644
--- a/src/test/cord-api/Tests/targets/xoslibrary.xtarget
+++ b/src/test/cord-api/Tests/targets/xoslibrary.xtarget
@@ -90,7 +90,7 @@
     {% endif -%}
     {% endfor -%}
     {% if m.name == "User" -%}
-    ${json_user_email_tmp}=   Generate Random Value    {{ f.type }}
+    ${json_user_email_tmp}=   Generate Random Value    string
     ${json_user_email_tmp}=    Catenate    SEPARATOR=    ${json_user_email_tmp}    @opencord.org
     ${json_user_1}=   Set Json Value    ${json_user_1}   /email    "${json_user_email_tmp}"
     {% endif -%}