Add test cases for valency issues

I added both test cases related to valency issues.
Add test cases related to valency issues

I added both test cases related to valency issues.
Merge remote-tracking branch 'origin/master'

Conflicts:
	NUtestcases.txt

Freshly added valnce isseus were in a different order. I picked version from the
repo.
Merge remote-tracking branch 'origin/master'