test: fix toml tests

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

internal/encoding/toml/codec2_test.go

@@ -31,6 +31,7 @@ list = [
 // encoded form of the data
 const encoded = `key = 'value'
 list = ['item1', 'item2', 'item3']
+
 [map]
 key = 'value'
 
@@ -38,8 +39,6 @@ key = 'value'
 [nested_map.map]
 key = 'value'
 list = ['item1', 'item2', 'item3']
-
-
 `
 
 // Viper's internal representation