Improve callsite handling

Fixes #2744.

Author: Fem-Fem

lib/serialize-error.js

@@ -26,17 +26,15 @@ function extractSource(stack, testFile) {
 	const relFile = path.relative(process.cwd(), testFile);
 	const normalizedFile = process.platform === 'win32' ? slash(relFile) : relFile;
 	for (const line of stack.split('\n')) {
-		try {
-			const callSite = stackUtils.parseLine(line);
-			if (callSite.file === normalizedFile) {
-				return {
-					isDependency: false,
-					isWithinProject: true,
-					file: path.resolve(process.cwd(), callSite.file),
-					line: callSite.line
-				};
-			}
-		} catch {}
+		const callSite = stackUtils.parseLine(line);
+		if (callSite && callSite.file === normalizedFile) {
+			return {
+				isDependency: false,
+				isWithinProject: true,
+				file: path.resolve(process.cwd(), callSite.file),
+				line: callSite.line
+			};
+		}
 	}
 
 	return null;