Fix tests (#807)

Author: devmotion

test/wsampling.jl

@@ -37,13 +37,13 @@ import StatsBase: direct_sample!, alias_sample!
 n = 10^6
 wv = weights([0.2, 0.8, 0.4, 0.6])
 
-for wv in [
+for wv in (
     weights([0.2, 0.8, 0.4, 0.6]),
     weights([2, 8, 4, 6]),
     weights(Float32[0.2, 0.8, 0.4, 0.6]),
     Weights(Float32[0.2, 0.8, 0.4, 0.6], 2),
     Weights([2, 8, 4, 6], 20.0),
-]
+)
     a = direct_sample!(4:7, wv, zeros(Int, n, 3))
     check_wsample_wrep(a, (4, 7), wv, 5.0e-3; ordered=false)
     test_rng_use(direct_sample!, 4:7, wv, zeros(Int, 100))