test: api_runtime_test: add new checkpoints

[chuanchang]

Add new checkpoints into runtime testing.

Signed-off-by: Alex Jia chuanchang.jia@gmail.com

Ⅰ. Describe what this PR did

As summary.

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)? (你真的觉得不需要加测试吗？)

Ⅳ. Describe how to verify it

go test

Ⅴ. Special notes for reviews

[codecov]

Codecov Report

Merging #2329 into master will increase coverage by 0.22%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2329      +/-   ##
==========================================
+ Coverage    68.9%   69.13%   +0.22%     
==========================================
  Files         279      279              
  Lines       18834    18834              
==========================================
+ Hits        12978    13020      +42     
+ Misses       4386     4342      -44     
- Partials     1470     1472       +2

Flag	Coverage Δ
#criv1alpha1test	31.28% <ø> (-0.15%)	⬇️
#criv1alpha2test	35.71% <ø> (+0.14%)	⬆️
#integrationtest	41.18% <ø> (+0.12%)	⬆️
#nodee2etest	32.71% <ø> (-0.05%)	⬇️
#unittest	26.93% <ø> (+0.14%)	⬆️

Impacted Files	Coverage Δ
cri/v1alpha2/cri_wrapper.go	64.4% <0%> (-2.4%)	⬇️
pkg/meta/store.go	67.44% <0%> (-1.56%)	⬇️
cri/v1alpha1/cri.go	59.43% <0%> (-0.67%)	⬇️
daemon/mgr/container_utils.go	83.92% <0%> (-0.6%)	⬇️
daemon/mgr/container.go	58.79% <0%> (ø)	⬆️
cri/v1alpha2/cri.go	67.57% <0%> (+0.12%)	⬆️
ctrd/client.go	70.46% <0%> (+2.01%)	⬆️
daemon/mgr/events.go	100% <0%> (+3.7%)	⬆️
daemon/mgr/system.go	73.28% <0%> (+5.34%)	⬆️
ctrd/watch.go	84.5% <0%> (+7.04%)	⬆️
... and 4 more

[CLAassistant]

All committers have signed the CLA.

[chuanchang]

@Ace-Tang @fuweid I have removed String() related testing according to @zhuangqh 's advise.

[zhuangqh]

missing the test for Type() interface? @chuanchang

[chuanchang]

missing the test for Type() interface? @chuanchang

Done

[zhuangqh]

LGTM