fix test/common

Author: shashi

test/common.jl

@@ -1,32 +1,17 @@
 ### Rules
 using Test
-using Cassette, SparsityDetection
-using SparseArrays, Test
-
-using Cassette: tag, untag, Tagged, metadata, hasmetadata, istagged
-using SparsityDetection: Path, BranchesPass, SparsityContext, Fixed,
-    Input, Output, pset, Tainted, istainted,
-    alldone, reset!, HessianSparsityContext
-using SparsityDetection: TermCombination
+using Cassette
+import Cassette: tag, untag, Tagged, metadata, hasmetadata, istagged
+using SparseArrays
+using SparsityDetection
+import SparsityDetection: abstract_run, HessianSparsityContext,
+                          JacobianSparsityContext, TermCombination, HessInput
+using Test
 
 Term(i...) = TermCombination(Set([Dict(j=>1 for j in i)]))
 
 function jactester(f, Y, X, args...)
     ctx, val = jacobian_sparsity(f, Y, X, args...; raw=true)
-    val = nothing
-    while true
-        val = Cassette.overdub(ctx,
-                            f,
-                            tag(Y, ctx, Output()),
-                            tag(X, ctx, Input()),
-                            map(arg -> arg isa Fixed ?
-                                arg.value :
-                                tag(arg, ctx, pset()), args)...)
-        println("Explored path: ", path)
-        alldone(path) && break
-        reset!(path)
-    end
-    return ctx, val
 end
 
 jactestmeta(args...) = jactester(args...)[1].metadata