--- a/tests/test_util_http.lua	Thu Jul 21 12:24:18 2016 +0100
+++ b/tests/test_util_http.lua	Sat Jul 23 18:58:58 2016 +0200
@@ -25,13 +25,17 @@
 end
 
 function formdecode(formdecode)
-	local t = formdecode("one=1&two=2");
-	assert_table(t[1]);
-	assert_equal(t[1].name, "one"); assert_equal(t[1].value, "1");
-	assert_table(t[2]);
-	assert_equal(t[2].name, "two"); assert_equal(t[2].value, "2");
+	do
+		local t = formdecode("one=1&two=2");
+		assert_table(t[1]);
+		assert_equal(t[1].name, "one"); assert_equal(t[1].value, "1");
+		assert_table(t[2]);
+		assert_equal(t[2].name, "two"); assert_equal(t[2].value, "2");
+	end
 
-	local t = formdecode("one+two=1&two+one%26=2");
-	assert_equal(t[1].name, "one two"); assert_equal(t[1].value, "1");
-	assert_equal(t[2].name, "two one&"); assert_equal(t[2].value, "2");
+	do
+		local t = formdecode("one+two=1&two+one%26=2");
+		assert_equal(t[1].name, "one two"); assert_equal(t[1].value, "1");
+		assert_equal(t[2].name, "two one&"); assert_equal(t[2].value, "2");
+	end
 end