Fix: Ignore import expressions in no-unused-expressions rule

[vkrol]

Prerequisites checklist

• I have read the contributing guidelines.

What is the purpose of this pull request? (put an "X" next to an item)

[ ] Documentation update
[x] Bug fix (template)
[ ] New rule (template)
[ ] Changes an existing rule (template)
[ ] Add autofixing to a rule
[ ] Add a CLI option
[ ] Add something to the core
[ ] Other, please explain:

Tell us about your environment

• ESLint Version: 7.1.0
• Node Version: 12.16.3
• npm Version: 6.14.5

What parser (default, Babel-ESLint, etc.) are you using? default

Please show your full configuration:

Configuration

module.exports = {
	parserOptions: {
		ecmaVersion: 2020,
	},
	rules: {
		"no-unused-expressions": "error",
	},
};

What did you do? Please include the actual source code causing the issue.

import("foo");

What did you expect to happen?
No error.

What actually happened? Please include the actual, raw output from ESLint.

1:1  error  Expected an assignment or function call and instead saw an expression  no-unused-expressions

What changes did you make? (Give an overview)

I added ImportExpression to the white list.

Is there anything you'd like reviewers to focus on?

No.

[jsf-clabot]

All committers have signed the CLA.

[kaicataldo]

I have verified this. Marked as accepted 👍.

[mdjermanovic]

LGTM, thanks!