Use 1.0 compatible named tuple destructuring syntax

Author: gaurav-arya

src/TestUtils.jl

@@ -28,7 +28,7 @@ prior to calling this function.
 function test_fft_backend(ArrayType=Array; test_real=true, test_inplace=true)
     @testset "fft correctness" begin
         # DFT along last dimension, results computed using FFTW
-        for (; _x, dims, _fftw_fft) in (
+        for test_case in (
             (; _x = collect(1:7), dims = 1,
              _fftw_fft = [28.0 + 0.0im,
                           -3.5 + 7.267824888003178im,
@@ -70,6 +70,7 @@ function test_fft_backend(ArrayType=Array; test_real=true, test_inplace=true)
                              [26.0 + 58.0im -4.0 - 4.0im; -2.0 - 2.0im 0.0 + 0.0im],
                              dims=3)),
         )
+            _x, dims, _fftw_fft = test_case
             x = convert(ArrayType, _x) # dummy array that will be passed to plans
             x_complex = convert(ArrayType, complex.(x)) # for testing complex FFTs
             x_complexfloat = convert(ArrayType, complex.(float.(x))) # for testing in-place complex FFTs