Test that we honor align-content even in single-line flex containers

This text should be at the top of its container
This text should be at the bottom of its container
This text should be centered in its container
This text should be at the top of its container
This text should be centered in its container
This text should be centered in its container
This text should be at the top of its container
This text should be at the left of its container
This text should be at the right of its container
This text should be centered in its container
This text should be at the left of its container
This text should be centered in its container
This text should be at the left of its container