chore: Formatted every test file with the formatter

[MikaelMayer]

This PR used the formatter being developed in #2399 to format all the test files

We can use it as a baseline to discuss formatting points. For example

1. In the case above, it's implemented using the second case. Do we want the first case to also be valid? Or should the first case always be the right case?

...
else if X then
  Y
// This comment about Z
else if Z then
  ...

...
else if X then
  Y
  // Unlikely comment about Y but it's the trailing trivia anyway.
else if Z then
  ...

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