* Fix UT failures caused by client-go version bump.
* Some modifications to enhance the UT stability.
* Fix UT errors: non-constant format string in call to ...
* Fix linter issues.
Signed-off-by: Xun Jiang <xun.jiang@broadcom.com>
main branch will read go version from go.mod's go primitive, and
only keep major and minor version, because we want the actions to use
the lastest patch version automatically, even the go.mod specify version
like 1.24.0.
release branch can read the go version from go.mod file by setup-go
action's own logic.
Refactor the get Go version to reusable workflow.
Signed-off-by: Xun Jiang <xun.jiang@broadcom.com>