fix docstring

Author: CarloLucibello

src/layers/recurrent.jl

@@ -237,6 +237,7 @@ julia> h′, c′ = l(x, (h, c));
 
 julia> size(h′)  # out x batch_size
 (5, 4)
+```
 """
 struct LSTMCell{I,H,V}
   Wi::I

test/runtests.jl

@@ -11,7 +11,7 @@ using Functors: fmapstructure_with_path
 
 ## Uncomment below to change the default test settings
 # ENV["FLUX_TEST_AMDGPU"] = "true"
-# ENV["FLUX_TEST_CUDA"] = "true"
+ENV["FLUX_TEST_CUDA"] = "true"
 # ENV["FLUX_TEST_METAL"] = "true"
 # ENV["FLUX_TEST_CPU"] = "false"
 # ENV["FLUX_TEST_DISTRIBUTED_MPI"] = "true"