Re-enabling errors on warning, disabling unused parameter warning, and fixing all subsequent errors.
diff --git a/test/core/transport/chttp2/timeout_encoding_test.c b/test/core/transport/chttp2/timeout_encoding_test.c
index 0ad90db..56a1e6e 100644
--- a/test/core/transport/chttp2/timeout_encoding_test.c
+++ b/test/core/transport/chttp2/timeout_encoding_test.c
@@ -94,7 +94,7 @@
long test_vals[] = {1, 12, 123, 1234, 12345, 123456,
1234567, 12345678, 123456789, 98765432, 9876543, 987654,
98765, 9876, 987, 98, 9};
- int i;
+ unsigned i;
char *input;
for (i = 0; i < GPR_ARRAY_SIZE(test_vals); i++) {
gpr_asprintf(&input, "%ld%c", test_vals[i], ext);