Angular 7 - Creating tooltips with multiline text

I've utilized template strings to create a multi-line string.

toolTip = `
      ${Test}  : ${number}
      ${Test}  : ${number}
      ${Test}  : ${number}
      ${Test}  : ${number}
      ${Test}  : ${number}}`;

The issue I'm facing is that when displaying this multi-line string on a tooltip for a button, extra spaces are being added starting from the second line. This results in output like below:

Test string : 123
  Test string2 : 234
  Test string3 : 234

Is there a method to properly align them?

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