fix up tests

Author: shashi

test/basics.jl

@@ -162,7 +162,7 @@ end
     @test repr(-(a + b)) == "-a - b"
     @test repr((2a)^(-2a)) == "(2a)^(-2a)"
     @test repr(1/2a) == "1 / (2a)"
-    @test repr(2/(2*a)) == "2 / (2a)"
+    @test repr(2/(2*a)) == "1 / a"
     @test repr(Term(*, [1, 1])) == "1"
     @test repr(Term(*, [2, 1])) == "2*1"
     @test repr((a + b) - (b + c)) == "a - c"
@@ -233,7 +233,7 @@ end
     @test (2x/3y).num.coeff == 2
     @test (2x/3y).den.coeff == 3
     @test (2x/-3x).num.coeff == -2
-    @test (2x/-t3x).den.coeff == 3
+    @test (2x/-3x).den.coeff == 3
     @test (2.5x/3x).num.coeff == 2.5
     @test (2.5x/3x).den.coeff == 3
     @test (x/3x).den.coeff == 3

test/polyform.jl

@@ -9,7 +9,7 @@ include("utils.jl")
     @test repr(x/y*x/z) == "(x^2) / (y*z)"
     @test repr(simplify_fractions(((x-y+z)*(x+4z+1)) /
                                   (y*(2x - 3y + 3z) +
-                                   x*(x + z)))) == "(1 + x + 4z) / (x + 3.0y)"
+                                   x*(x + z)))) == repr(simplify_fractions((1 + x + 4z) / (x + 3.0y)))
     @test simplify_fractions(x/(x+3) + 3/(x+3)) == 1
     @test repr(simplify(simplify_fractions(cos(x)/sin(x) + sin(x)/cos(x)))) == "1 / (cos(x)*sin(x))"
 end