Log Message:
gopls: update to 0.6.10.

Features

t.Fatal snippet

If you trigger completion in a test function, on the line after a
call to a function that returns an error, you will be offered a
completion snippet for:

if err != nil {
    t.Fatal(err) }

Experimental

Postfix completion snippets

Postfix completions are a new style of completions that can save
you time by inserting more complex pieces of commonly-written code.
All of the results end with !. Enable this feature by setting
"ui.completion.experimentalPostfixCompletions": true.