Update module stretchr/testify to v1.3.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/stretchr/testify	require	minor	v1.2.2 -> v1.3.0

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Release Notes

stretchr/testify

v1.3.0

Compare Source

Pull requests included in this release:

• #​678 - Fixed incorrect comment
• #​661 - Allow assert.Equal on string type alias without panicking on failure
• #​659 - Add Go1.11 to CI
• #​682 - update comment to match function name
• #​688 - Bump Go versions and use '.x' to always get latest minor versions
• #​648 - Update the LICENSE to match the 'standard' MIT license file
• #​699 - Support arbitrary objects as the sole element in msgAndArgs
• #​696 - Recover panic in suite
• #​655 - Add support for subtests (go 1.7)
• #​607 - Add go.mod and go.modverify
• #​670 - Fix typo ("PASS" -> "FAIL")
• #​712 - Preserve stack frame for mock parent method call
• #​707 - fix for comparing kinds
• #​697 - Update readme to deprecate http and include available packages

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