fix: report failing location as first non-internal position

Author: connor4312

src/runner.ts

@@ -124,7 +124,7 @@ export class TestRunner {
                       actual !== undefined && expected !== undefined
                         ? vscode.TestMessage.diff(asText, expected, actual)
                         : new vscode.TestMessage(asText);
-                    const lastFrame = stack?.[0];
+                    const lastFrame = stack?.find((s) => !s.file?.startsWith("node:"));
                     const location = lastFrame?.file
                       ? mapLocation(lastFrame.file, lastFrame.lineNumber, lastFrame.column)
                       : undefined;

testCases/simple/runner.ts

@@ -96,7 +96,7 @@ it("runs tests", async () => {
     "test/inAFolder.js/addition": ["started", "passed"],
     "test-WithADash.js/addition": ["started", "passed"],
     "test.js/addition": ["started", "passed"],
-    "withADashTheOtherWay-test.js/addition": ["started", "passed"],
+    "withADashTheOtherWay-test.js/addition": ["started", "failed"],
     "hello.test.js/math/addition": ["started", "passed"],
     "hello.test.js/math/subtraction": ["started", "passed"],
     "otherFolder/some.test.js/addition": ["started", "passed"],
@@ -194,7 +194,7 @@ it("handles file and directory excludes", async () => {
     "otherFolder/some.test.js/addition": ["started", "passed"],
     "test-WithADash.js/addition": ["started", "passed"],
     "test.js/addition": ["started", "passed"],
-    "withADashTheOtherWay-test.js/addition": ["started", "passed"],
+    "withADashTheOtherWay-test.js/addition": ["started", "failed"],
     "withADot.test.js/addition": ["started", "passed"],
   });
 });

testCases/simple/workspace/withADashTheOtherWay-test.js

@@ -2,5 +2,5 @@ const { test } = require("node:test");
 const { strictEqual } = require("node:assert");
 
 test("addition", () => {
-  require('node:fs').readFileSync('does not exist');
+  require("node:fs").readFileSync("does not exist"); // #2
 });