added a wrong priecewise test
added a wrong priecewise
test

chaffra/sympy,jaimahajan1997/sympy,jaimahajan1997/sympy,madan96/sympy,kaushik94/sympy,skidzo/sympy,chaffra/sympy,chaffra/sympy,madan96/sympy,madan96/sympy,yashsharan/sympy,kaushik94/sympy,yashsharan/sympy,kaushik94/sympy,jaimahajan1997/sympy,skidzo/sympy,yashsharan/sympy,skidzo/sympy