vscode: disable python test integration

.vscode/settings.json

@@ -37,7 +37,9 @@
 
     "python.formatting.provider": "autopep8",
     "python.pythonPath": "${env.WORKON_HOME}/sentry/bin/python",
-    "python.unitTest.pyTestEnabled": true,
+    // test discovery is sluggish and the UI around running
+    // tests is often in your way and misclicked
+    "python.unitTest.pyTestEnabled": false,
     "python.unitTest.unittestEnabled": false,
     "python.unitTest.nosetestsEnabled": false
 }