Refactor test syntax

Author: Suvrat1629

cmd/commands/commands_test.go

@@ -594,7 +594,7 @@ func TestFlagParsing(t *testing.T) {
 			args: []string{
 				"lncli", "sendmany",
 				"--sat_per_vbyte", "40",
-				"'{\"bc1qexample\": 500}'",
+				`{"bc1qexample": 500}`,
 			},
 		},
 		{
@@ -603,7 +603,7 @@ func TestFlagParsing(t *testing.T) {
 			args: []string{
 				"lncli", "sendmany",
 				"--sat_per_vbyte", "-1",
-				"'{\"bc1qexample\": 500}'",
+				`{"bc1qexample": 500}`,
 			},
 			expectedErrMsg: "parse error",
 		},