test(store): add unit tests to reproduce state value is not immediately set but queued up

[arturovt]

This PR adds a test that reproduces the situation where the state stream update is not immediately available after the patchState call. This documents a bug that is being investigated and will be fixed very soon.

[codeclimate]

Code Climate has analyzed commit c905845 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 97.1% (0.0% change).

View more on Code Climate.

[bundlemon]

BundleMon

Unchanged files (3)

Status	Path	Size	Limits
✅	fesm2015/ngxs-store.js	94.09KB	125KB / +0.5%
✅	fesm2015/ngxs-store-operators.js	6.23KB	15KB / +0.5%
✅	fesm2015/ngxs-store-internals.js	4.22KB	20KB / +0.5%

No change in files bundle size

Unchanged groups (3)

Status	Path	Size	Limits
✅	@ngxs/store(esm2015)[gzip] ./esm2015/**/*.js	180.98KB	+1%
✅	@ngxs/store(umd)[gzip] ./bundles/*.umd.js	36.57KB	+1%
✅	@ngxs/store(fesm2015)[gzip] ./fesm2015/*.js	25.04KB	+1%

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

[bundlemon]

BundleMon (NGXS Plugins)

Unchanged files (14)

Status	Path	Size	Limits
✅	Plugins(umd)[gzip] storage-plugin/bundles/ngxs-storage-plugin.um d.js	7.96KB	+1%
✅	Plugins(umd)[gzip] router-plugin/bundles/ngxs-router-plugin.umd. js	7.41KB	+1%
✅	Plugins(umd)[gzip] websocket-plugin/bundles/ngxs-websocket-plugi n.umd.js	6.92KB	+1%
✅	Plugins(umd)[gzip] hmr-plugin/bundles/ngxs-hmr-plugin.umd.js	6.89KB	+1%
✅	Plugins(fesm2015)[gzip] storage-plugin/fesm2015/ngxs-storage-plugin.j s	3.64KB	+1%
✅	Plugins(umd)[gzip] form-plugin/bundles/ngxs-form-plugin.umd.js	3.44KB	+1%
✅	Plugins(fesm2015)[gzip] router-plugin/fesm2015/ngxs-router-plugin.js	3.09KB	+1%
✅	Plugins(umd)[gzip] devtools-plugin/bundles/ngxs-devtools-plugin. umd.js	2.75KB	+1%
✅	Plugins(fesm2015)[gzip] form-plugin/fesm2015/ngxs-form-plugin.js	2.67KB	+1%
✅	Plugins(fesm2015)[gzip] hmr-plugin/fesm2015/ngxs-hmr-plugin.js	2.65KB	+1%
✅	Plugins(fesm2015)[gzip] websocket-plugin/fesm2015/ngxs-websocket-plug in.js	2.59KB	+1%
✅	Plugins(umd)[gzip] logger-plugin/bundles/ngxs-logger-plugin.umd. js	2.53KB	+1%
✅	Plugins(fesm2015)[gzip] devtools-plugin/fesm2015/ngxs-devtools-plugin .js	2.17KB	+1%
✅	Plugins(fesm2015)[gzip] logger-plugin/fesm2015/ngxs-logger-plugin.js	2.01KB	+1%

No change in files bundle size

Unchanged groups (3)

Status	Path	Size	Limits
✅	All Plugins(esm2015)[gzip] ./-plugin/esm2015/**/.js	108.71KB	+1%
✅	All Plugins(umd)[gzip] ./-plugin/bundles/.umd.js	37.91KB	+1%
✅	All Plugins(fesm2015)[gzip] ./-plugin/fesm2015/.js	18.82KB	+1%

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

[bundlemon]

BundleMon (Integration Projects)

Unchanged files (3)

Status	Path	Size	Limits
✅	Main bundles(Gzip) hello-world-ng13-ivy/dist-integration/main.(h ash).js	69.75KB	+1%
✅	Main bundles(Gzip) hello-world-ng12-ivy/dist-integration/main.(h ash).js	67.91KB	+1%
✅	Main bundles(Gzip) hello-world-ng14-ivy/dist-integration/main.(h ash).js	64.82KB	+1%

No change in files bundle size

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history