fix project mistype

Author: mileslucas

Project.toml

@@ -20,6 +20,5 @@ Distances = "0.10"
 KeywordCalls = "0.2"
 RecipesBase = "1"
 SpecialFunctions = "0.10, 1"
-StableRNGs = "1"
 StaticArrays = "0.12, 1"
 julia = "1.5"

test/Project.toml

@@ -10,4 +10,5 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 ChainRulesCore = "1"
 ChainRulesTestUtils = "1"
 RecipesBase = "1"
+StableRNGs = "1"
 StaticArrays = "0.12, 1"

test/runtests.jl

@@ -97,6 +97,14 @@ end
     @testset "gradients" begin
         psf_iso = Gaussian(fwhm=10)
         psf_tang = Tangent{Gaussian}(fwhm=rand(rng), pos=rand(rng, 2), amp=rand(rng), indices=ZeroTangent())
+        point = [1, 2]
+        test_frule(psf_iso ⊢ psf_tang, point)
+        test_rrule(psf_iso ⊢ psf_tang, point)
+
+        psf_diag = Gaussian(fwhm=[10, 8])
+        psf_tang = Tangent{Gaussian}(fwhm=rand(rng, 2), pos=rand(rng, 2), amp=rand(rng), indices=ZeroTangent())
+        test_frule(psf_diag ⊢ psf_tang, point)
+        test_rrule(psf_diag ⊢ psf_tang, point)
     end
 end