test: fix toml tests

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>

Author: sagikazarmark

internal/encoding/toml/codec2_test.go

@@ -31,15 +31,14 @@ list = [
 // encoded form of the data
 const encoded = `key = 'value'
 list = ['item1', 'item2', 'item3']
+
 [map]
 key = 'value'
 
 [nested_map]
 [nested_map.map]
 key = 'value'
 list = ['item1', 'item2', 'item3']
-
-
 `
 
 // Viper's internal representation