feat(numericalInput): fix tests in inputtypes

Author: jesusbalderramawgu

xmodule/capa/inputtypes.py

@@ -1312,6 +1312,9 @@ def preview_formcalc(self, get):
             # if formula is invalid return formula
             if not numeric_result["is_valid"]:
                 result["formula"] = formula
+        except pyparsing.ParseException:
+            result['error'] = _("Sorry, couldn't parse formula")
+            result['formula'] = formula
         except Exception:  # lint-amnesty, pylint: disable=broad-except
             log.warning("Error while previewing formula", exc_info=True)
             result["error"] = _("Error while rendering preview")

xmodule/capa_block.py

@@ -2407,7 +2407,8 @@ def preview_numeric_input(cls, formula):
             result["error"] = "Sorry, couldn't parse formula"
             result['is_valid'] = False
             return result
-        except (ValueError, TypeError):
+
+        except Exception:  # pylint: disable=broad-exception-caught
             log.warning("Error while previewing formula", exc_info=True)
             result['error'] = "Error while rendering preview"
             result['is_valid'] = False