Bump CI to v0.3.1 (denoland/deno_std#220)

Original: https://github.com/denoland/deno_std/commit/93e5e0cd143d329f9f8d22fe8ea2b7387c251ff4

1 files changed, 1 insertions, 1 deletions

diff --git a/testing/mod.ts b/testing/mod.ts
index 3b895a2e9..0a6e52805 100644
--- a/testing/mod.ts
+++ b/testing/mod.ts
@@ -293,7 +293,7 @@ export async function runTests() {
 }
 
 export async function runIfMain(meta: ImportMeta) {
-  if (window.location.toString() === meta.url) {
+  if (meta.main) {
     runTests();
   }
 }