shorten nested testset names

Author: alyst

test/silhouette.jl

@@ -34,23 +34,23 @@ c = [3, 1]
 
 @test silhouettes(a, c, D) ≈ [0.5, 0.5, -1/3, 0.0]
 
-@testset "silhouettes() handle zero cluster distances correctly" begin
+@testset "zero cluster distances correctly" begin
     a = [fill(1, 5); fill(2, 5)]
     d = fill(0, (10, 10))
 
     @test silhouettes(a, d) == fill(0.0, 10)
 
     d = fill(1, (10, 10))
     d[1, 2] = d[2, 1] = 5
-    
+
     @test silhouettes(a, d) == [[-0.5, -0.5]; fill(0.0, 8)]
 end
 
-@testset "silhouette() throws an error when degenerated clustering is given" begin
+@testset "throws an error when degenerated clustering is given" begin
     a = fill(1, 10)
     d = fill(1, (10, 10))
     for i in 1:10; d[i, i] = 0; end
-    
+
     @test_throws ArgumentError silhouettes(a, d)
 end