chore: apply suggestions from code review

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: avik-pal

test/nn/nnlib.jl

@@ -78,18 +78,15 @@ end
     end
 
     @testset "conv 1d: flip" begin
-        x = [1; 2; 3;;;]
-        W = [1; 2; 3;;;]
-    
+        x = [1.0f0; 2.0f0; 3.0f0;;;]
+        W = [1.0f0; 2.0f0; 3.0f0;;;]
         xx = Reactant.ConcreteRArray(x)
         WW = Reactant.ConcreteRArray(W)
-    
         conv_noflip(x, W) = NNlib.conv(x, W; pad=1, flipped=true)
         conv_flip(x, W) = NNlib.conv(x, W; pad=1, flipped=false)
-    
         @test Reactant.compile(conv_noflip, (xx, WW))(xx, WW) ==
-              [0*1+1*2+2*3; 1*1+2*2+3*3; 1*2+2*3+3*0;;;]
+            [0*1+1*2+2*3; 1*1+2*2+3*3; 1*2+2*3+3*0;;;]
         @test Reactant.compile(conv_flip, (xx, WW))(xx, WW) ==
-              [3*0+2*1+1*2; 3*1+2*2+1*3; 3*2+2*3+1*0;;;]
+            [3*0+2*1+1*2; 3*1+2*2+1*3; 3*2+2*3+1*0;;;]
     end
 end