Looking for an idiom that expresses something that looks bad at the outset but turns out okay

Question

For example: I heard a noise downstairs in the middle of the night and feared it was an intruder. When I checked it out, I found the noise was from a plant on my porch knocked over by the wind.

Answer 1

Sounds like a false alarm

an occasion on which danger is perceived but fails to materialize

Collins

It also sounds a bit like Macbeth's lament about all of life, full of sound and fury, signifying nothing.

Answer 2

More scared (or afraid) than hurt

She was more scared than hurt.`"Old Ebenezer" by Opie Read

Answer 3

I like this one:

Its bark was worse than its bite.

Here's a link.