[NFC] Fix PHPUnit8 deprecation warnings in the CRM_AllTests suite

[seamuslee001]

Overview

This fixes a number of different deprecation warnings found by PHPUnit8

Before

Deprecation warnings emitted

• Using assertContains() with string haystacks is deprecated and will not be supported in PHPUnit 9. Refactor your test to use assertStringContainsString() or assertStringContainsStringIgnoringCase() instead.
• Using assertNotContains() with string haystacks is deprecated and will not be supported in PHPUnit 9. Refactor your test to use assertStringNotContainsString() or assertStringNotContainsStringIgnoringCase() instead.
• The @ExpectedException, @expectedExceptionCode, @expectedExceptionMessage, and @expectedExceptionMessageRegExp annotations are deprecated. They will be removed in PHPUnit 9. Refactor your test to use expectException(), expectExceptionCode(), expectExceptionMessage(), or expectExceptionMessageMatches() instead.
• assertInternalType() is deprecated and will be removed in PHPUnit 9. Refactor your test to use assertIsArray() instead.

After

No warnings

ping @eileenmcnaughton

[civibot]

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[eileenmcnaughton]

When you win this one go ahead & merge - I see if won't clash with the fairly sizable cleanup I have in #20374 which is a good thing