removing two timing tests

Author: nassarhuda

test/diffusions_test.jl

@@ -211,7 +211,7 @@ using Test
         dt2 = @elapsed y = pagerank_power!(y,z,P2,0.85,v,tol,maxiter,MatrixNetworks._noiterfunc)
         dt2 = @elapsed y = pagerank_power!(y,z,P2,0.85,v,tol,maxiter,MatrixNetworks._noiterfunc)
 
-        @test dt2 <= 2*dt
+        #@test dt2 <= 2*dt
         @test norm(x-y) <= n*eps(Float64) 
 
         # now test with matrix networks
@@ -222,7 +222,7 @@ using Test
         dt2 = @elapsed y = pagerank_power!(y,z,P3,0.85,v,tol,maxiter,MatrixNetworks._noiterfunc)
         dt2 = @elapsed y = pagerank_power!(y,z,P3,0.85,v,tol,maxiter,MatrixNetworks._noiterfunc)
         @test norm(x-y) <= n*eps(Float64)
-        @test dt2 <= 2*dt 
+        #@test dt2 <= 2*dt 
 
         dt = @elapsed x = pagerank_power!(x,y,P,0.85,v,eps(Float64),1000,MatrixNetworks._noiterfunc)
         dt2 = @elapsed y = pagerank(A,0.85)