Add tests using ScreenshotHelper.TakeScreenshot method from async test

[nowsprinting]

• Add tests using ScreenshotHelper.TakeScreenshot method from async test
• Remove dependency to TestHelper from RuntimeInternals

[github-actions]

Code Metrics Report

	master (ff49e7b)	#39 (cbcc7f3)	+/-
Coverage	63.2%	62.6%	-0.6%
Code to Test Ratio	1:1.9	1:2.0	+0.1
Test Execution Time	4m51s	5m15s	+24s

Details

  |                     | master (ff49e7b) | #39 (cbcc7f3) |  +/-  |
  |---------------------|------------------|---------------|-------|
- | Coverage            |            63.2% |         62.6% | -0.6% |
  |   Files             |               23 |            23 |     0 |
  |   Lines             |              527 |           527 |     0 |
- |   Covered           |              333 |           330 |    -3 |
+ | Code to Test Ratio  |            1:1.9 |         1:2.0 |  +0.1 |
  |   Code              |              542 |           542 |     0 |
+ |   Test              |             1013 |          1057 |   +44 |
- | Test Execution Time |            4m51s |         5m15s |  +24s |

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Reported by octocov