refactor: convert postman case

hrp/pkg/convert/to_pytest.go

@@ -0,0 +1,22 @@
+package convert
+
+import (
+	"github.com/pkg/errors"
+
+	"github.com/httprunner/httprunner/v4/hrp/internal/myexec"
+)
+
+// convert TCase to pytest case
+func (c *TCaseConverter) toPyTest() (string, error) {
+	jsonPath, err := c.toJSON()
+	if err != nil {
+		return "", errors.Wrap(err, "convert to JSON case failed")
+	}
+
+	args := append([]string{"make"}, jsonPath)
+	err = myexec.ExecPython3Command("httprunner", args...)
+	if err != nil {
+		return "", err
+	}
+	return c.genOutputPath(suffixPyTest), nil
+}