Function findValidTextValue

findValidTextValue(
    template: string,
    isValidName: (candidate: string) => boolean,
    maxIncrement?: number,
): string
Will try to find a valid text value from a template by incrementing a last number.
Parameters
- template: string
  The string to use for a baseline for generating new text values.
- isValidName: (candidate: string) => boolean
  A callback for validating the current text.
- maxIncrement: number = 1000
Returns string
A string for the first valid text.