Don't use JET in tests (#376)

Author: jishnub

Project.toml

@@ -12,7 +12,6 @@ Aqua = "0.8"
 ArrayLayouts = "1.0.8"
 Documenter = "1"
 FillArrays = "1"
-JET = "0.4, 0.6, 0.7, 0.8"
 LinearAlgebra = "1.6"
 OffsetArrays = "1"
 Random = "1.6"
@@ -24,12 +23,11 @@ julia = "1.6"
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
-JET = "c3a54625-cd67-489e-a8e7-0a5a0ff4e31b"
 OffsetArrays = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Aqua", "Documenter", "JET", "OffsetArrays", "SparseArrays", "StaticArrays", "Test", "Random"]
+test = ["Aqua", "Documenter", "OffsetArrays", "SparseArrays", "StaticArrays", "Test", "Random"]

test/test_blockbroadcast.jl

@@ -1,6 +1,5 @@
 using BlockArrays, FillArrays, Test
 import BlockArrays: SubBlockIterator, BlockIndexRange, Diagonal
-using JET
 
 @testset "broadcast" begin
     @testset "BlockArray" begin
@@ -30,17 +29,11 @@ using JET
             u = BlockArray(randn(5), [2,3])
             dest = zeros(size(u)..., 1)
             @test (dest .= u) isa typeof(dest)
-            @static if isdefined(JET, :test_opt)
-                @test_opt ((dest,u) -> dest .= u)(dest,u)
-            end
             @test reshape(dest, size(u)) == u
 
             u = BlockArray(randn(3,3), [1,2], [1,2])
             dest = zeros(length(u))
             @test (dest .= u) isa typeof(dest)
-            @static if isdefined(JET, :test_opt)
-                @test_opt ((dest,u) -> dest .= u)(dest,u)
-            end
             @test reshape(dest, size(u)) == u
         end
     end
@@ -202,10 +195,6 @@ using JET
         A = zeros(size(u))
         @inferred(copyto!(similar(u), Base.broadcasted(exp, u)))
         @test exp.(u) == exp.(Vector(u))
-        # test_opt isn't available on JET v0.4, which is installed on Julia v1.6
-        @static if isdefined(JET, :test_opt)
-            @test_opt ((A,B) -> A .= B)(A,u)
-        end
     end
 
     @testset "adjtrans" begin