fix small logging issues for testing deprecation & duplicate log (microsoft#22349)

fixes microsoft#22327

Author: eleanorjboyd

src/client/testing/testController/common/utils.ts

@@ -51,7 +51,7 @@ export const MESSAGE_ON_TESTING_OUTPUT_MOVE =
     'Starting now, all test run output will be sent to the Test Result panel,' +
     ' while test discovery output will be sent to the "Python" output channel instead of the "Python Test Log" channel.' +
     ' The "Python Test Log" channel will be deprecated within the next month.' +
-    'See https://github.com/microsoft/vscode-python/wiki/New-Method-for-Output-Handling-in-Python-Testing for details.';
+    ' See https://github.com/microsoft/vscode-python/wiki/New-Method-for-Output-Handling-in-Python-Testing for details.';
 
 export function createTestingDeferred(): Deferred<void> {
     return createDeferred<void>();

src/client/testing/testController/controller.ts

@@ -290,7 +290,6 @@ export class PythonTestController implements ITestController, IExtensionSingleAc
             } else if (settings.testing.unittestEnabled) {
                 if (pythonTestAdapterRewriteEnabled(this.serviceContainer)) {
                     traceInfo(`Running discovery for unittest using the new test adapter.`);
-                    traceInfo(`Running discovery for pytest using the new test adapter.`);
                     if (workspace && workspace.uri) {
                         const testAdapter = this.testAdapters.get(workspace.uri);
                         if (testAdapter) {