AutoTest: Allow guessing configuration for debugging

Guess the config if no matching run target was found.

Change-Id: If70881cd64ab6523bbca13b1c8c18d63e9fcdeb7
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/autotest/testconfiguration.cpp

@@ -172,6 +172,7 @@ void TestConfiguration::completeTestInformation(int runMode)
                 env = stdRunnable.environment;
                 hasDesktopTarget = true;
                 guessedRunConfiguration = true;
+                runConfigTarget = rc->target();
             }
         }
     }
@@ -186,7 +187,7 @@ void TestConfiguration::completeTestInformation(int runMode)
         setEnvironment(env);
         setProject(project);
         setGuessedConfiguration(guessedRunConfiguration);
-        if (!guessedRunConfiguration && runMode == TestRunner::Debug)
+        if (runMode == TestRunner::Debug)
             m_runConfig = new TestRunConfiguration(runConfigTarget, this);
     }
 }