diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index b9989d34d9..2d6f318a4c 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,5 +1,5 @@
 variables:
-  DENO_VERSION: 'v0.3.0'
+  DENO_VERSION: 'v0.3.1'
 
 jobs:
 
diff --git a/testing/mod.ts b/testing/mod.ts
index 3b895a2e98..0a6e528052 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();
   }
 }