Fix outfiles for VS Code API tests (microsoft#182228)

This lets you correctly hit breakpoints in the API tests

Author: mjbvz

.vscode/launch.json

@@ -159,7 +159,7 @@
 				"--disable-extensions"
 			],
 			"outFiles": [
-				"${workspaceFolder}/out/**/*.js"
+				"${workspaceFolder}/extensions/vscode-api-tests/out/**/*.js"
 			],
 			"presentation": {
 				"group": "5_tests",
@@ -177,7 +177,7 @@
 				"--extensionTestsPath=${workspaceFolder}/extensions/vscode-api-tests/out/workspace-tests"
 			],
 			"outFiles": [
-				"${workspaceFolder}/out/**/*.js"
+				"${workspaceFolder}/extensions/vscode-api-tests/out/**/*.js"
 			],
 			"presentation": {
 				"group": "5_tests",