fix tests

Author: mcabbott

test/layers/recurrent.jl

@@ -90,15 +90,6 @@ end
   end
 end
 
-@testset "RNN-input-state-eltypes" begin
-  @testset for R in [RNN, GRU, LSTM, GRUv3]
-    m = R(3 => 5)
-    x = rand(Float64, 3, 1)
-    Flux.reset!(m)
-    @test_throws MethodError m(x)
-  end
-end
-
 @testset "multigate" begin
   x = rand(6, 5)
   res, (dx,) = Flux.withgradient(x) do x

test/utils.jl

@@ -290,8 +290,8 @@ end
   x32 = rand(Float32, 10)
   @test eltype(m[1].weight) == Float32
   @test eltype(m(x32)) == Float32
-  @test eltype(m(x64)) == Float64
-  @test eltype(f64(m)(x32)) == Float64
+  @test eltype(m(x64)) == Float32  # fixed by _match_eltype
+  @test eltype(f64(m)(x32)) == Float64  # _match_eltype promotes, Julia would too
   @test eltype(f64(m)(x64)) == Float64
   @test eltype(f64(m)[1].weight) == Float64
   @test eltype(f32(f64(m))[1].weight) == Float32