Add some more test cases for login

server/site_tests/suite_Nightly/control

Index: server/site_tests/suite_Nightly/control
diff --git a/server/site_tests/suite_Nightly/control b/server/site_tests/suite_Nightly/control
index cb195e2a1da85479dedc5627dc4be056db6f842f..82c9f625a940ef1c7485392b87e4f958b5ab43df 100644
--- a/server/site_tests/suite_Nightly/control
+++ b/server/site_tests/suite_Nightly/control
@@ -47,6 +47,20 @@ TESTS = [
   ('hardware_StorageFio', {}),
   ('logging_KernelCrash', {}),
   ('logging_UserCrash', {}),
+  ('login_BadAuthentication', {'tag' : 'not_verified',
+  			       'error_string' : 'NotVerified'}),
+  ('login_BadAuthentication', {'tag' : 'no_terms',
+  			       'error_string' : 'TermsNotAgreed'}),
+  ('login_BadAuthentication', {'tag' : 'account_deleted',
+  			       'error_string' : 'AccountDeleted'}),
+  ('login_BadAuthentication', {'tag' : 'account_disabled',
+  			       'error_string' : 'AccountDisabled'}),
+  ('login_BadAuthentication', {'tag' : 'service_disabled',
+  			       'error_string' : 'ServiceDisabled'}),
+  ('login_BadAuthentication', {'tag' : 'service_unavailable',
+  			       'error_string' : 'ServiceUnavailable'}),
+  ('login_BadAuthentication', {'tag' : 'unknown',
+  			       'error_string' : 'Unknown'}),
   ('login_CryptohomeUnmounted', {}),
   ('login_CryptohomeIncognitoUnmounted', {}),
   ('logging_LogVolume', {'constraints': ['bytes_unexpected <= 100000',