Environment data

• VS Code version:
  
• Extension version (available under the Extensions sidebar):
  

Steps to reproduce:

1. Launch VSC and create python file named pytest_test.py
   a. Clear the part of workspace configuration in setting.json
2. Enter below code

def test_passing():
    	assert 42 == 42
def test_failure():
    	assert 42 == -13

3. Run command: "Run All Unit Tests", ensure:
   a. triggers the prompt to configure the test runner, select pytest
   pytest gets installed
   b. Tests are discovered (as shown by code lenses on each test)
4. Click status bar and choose "Run Test Method"
5. Choose test_failure

Actual behaviour