add test

Author: aspeddro

test/corpus/expressions.txt

@@ -1364,6 +1364,8 @@ Subscript expressions
 
 myArray[42]
 myObj["foo"]
+andd[0]
+andd[1]
 
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@@ -1376,7 +1378,16 @@ myObj["foo"]
     (subscript_expression
       (value_identifier)
       (string
-        (string_fragment)))))
+        (string_fragment))))
+
+  (expression_statement
+        (subscript_expression
+          (value_identifier)
+          (number)))
+  (expression_statement
+    (subscript_expression
+      (value_identifier)
+      (number))))
 
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 Variants