Fix logging for no clipping program worked

src/cli/Utils.cpp

@@ -329,6 +329,8 @@ namespace Utils
 
             if (clipProcess->exitCode() == EXIT_SUCCESS) {
                 return EXIT_SUCCESS;
+            } else {
+                failedProgramNames.append(prog.first);
             }
         }
 

tests/TestCli.cpp

@@ -648,6 +648,7 @@ void TestCli::testClip()
         || errorOutput.contains("No program defined for clipboard manipulation")) {
         QSKIP("Clip test skipped due to missing clipboard tool");
     }
+    QVERIFY(!errorOutput.contains("All clipping programs failed"));
 
     m_stderr->readLine(); // Skip password prompt
     QCOMPARE(m_stderr->readAll(), QByteArray());