test: improve unexpected warning output

diff --git a/scripts/setupJestEnv.ts b/scripts/setupJestEnv.ts
index 95f126152dd1a0885120303593836440bbbec4be..381a404f76ffa992b290b0a7d97258b76a3fad9d 100644 (file)
--- a/scripts/setupJestEnv.ts
+++ b/scripts/setupJestEnv.ts
@@ -80,9 +80,10 @@ afterEach(() => {
     })
   warn.mockRestore()
   if (nonAssertedWarnings.length) {
-    nonAssertedWarnings.forEach(warning => {
-      console.warn(warning)
-    })
-    throw new Error(`test case threw unexpected warnings.`)
+    throw new Error(
+      `test case threw unexpected warnings:\n - ${nonAssertedWarnings.join(
+        '\n - '
+      )}`
+    )
   }
 })