start integration testing

tests/files_test.go

@@ -7,9 +7,16 @@ import (
 )
 
 func TestRunCommandFileTest(t *testing.T) {
-
 	filePath := "packageCommands.yml"
 	cmdLineStr := fmt.Sprintf("go run ../backy.go exec host -c checkDockerNoVersion -m localhost --cmdStdOut -f %s", filePath)
 
-	exec.Command("bash", "-c", cmdLineStr).Output()
+	cmd := exec.Command("bash", "-c", cmdLineStr)
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		t.Fatalf("Command failed: %v, Output: %s", err, string(output))
+	}
+
+	if len(output) == 0 {
+		t.Fatal("Expected command output, got none")
+	}
 }