Don't add cwd arg when running all tests (microsoft/vscode-python#17978)

Author: bhrutledge

extensions/positron-python/news/2 Fixes/17546.md

@@ -0,0 +1,2 @@
+Fix for `pytest` run all tests when using `pytest.ini` and `cwd`.
+(thanks [Brian Rutledge](https://github.com/bhrutledge))

extensions/positron-python/src/client/testing/testController/pytest/runner.ts

@@ -97,7 +97,7 @@ export class PytestRunner implements ITestsRunner {
             if (!rawData) {
                 throw new Error(`Trying to run unknown node: ${testNode.id}`);
             }
-            if (testNode.id !== options.workspaceFolder.fsPath) {
+            if (testNode.id !== options.cwd) {
                 testArgs.push(rawData.rawId);
             }