client/pkg/testutil: eliminate copyToInterface function #17675
Merged
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AssertTrue and AssertFalse use copyToInterface to copy msg.
This is unnecessary, cause we know the msgAndArgs param of assert.Equal is variadic:
func Equal(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool
This patch removes copyToInterface function, and use msg directly.
Please read https://github.com/etcd-io/etcd/blob/main/CONTRIBUTING.md#contribution-flow.