Fix microsoft/vscode#37627 (DonJayamanne#1368)

Author: octref

src/client/unittests/common/baseTestManager.ts

@@ -109,7 +109,7 @@ export abstract class BaseTestManager {
  }
  });
  if (haveErrorsInDiscovering && !quietMode) {
- displayTestErrorMessage('There were some errors in disovering unit tests');
+ displayTestErrorMessage('There were some errors in discovering unit tests');
  }
  storeDiscoveredTests(tests);
  this.disposeCancellationToken(CancellationTokenType.testDicovery);