test: add mobile browsers for testing #2907

Job	Run time
Test Jest (18.x)	1m 8s
Build Distribution Bundle	40s
Test Jest (19.x)	1m 9s
Test Jest (22.x)	1m 1s
Test Jest (24.x)	57s
Test Jest (23.x)	1m 0s
Test Jest (20.x)	1m 3s
Test Jest (25.x)	54s
Test Jest (21.x)	1m 9s
Get Bundle Size from Current Branch	33s
Get Bundle Size from Master	10s
Core Tests / Core SDK Tests	1m 46s
Calculate Bundled Diff / Calculate Bundle Size Difference	11s
Generate Report	4s
Test Stub	52s
Integration Tests: webpack Common JS / webpack CJS Test	1m 26s
Integration Tests: webpack Module JS / webpack Module Test	1m 27s
Integration Tests: Browserfy Common JS / Browserfy CJS Test	1m 19s
Integration Tests: Require JS / Require JS Test	53s
Integration Tests: Rollup Common JS / Rollup CJS Test	1m 43s
Integration Tests: Rollup Module JS / Rollup Module Test	1m 28s
Save PR Number for Dependabot Automerge / Save PR Number for Dependabot Automerge	0s
	20m 53s

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