Allow running tests on unpacked crate

[bgilbert]

Downstream Linux distros may want to run the tests as part of their package build process, but will only have our packaged crate, not a Git checkout. Include test fixtures in the crate, and fix a test that assumes the availability of a commit hash.

[coveralls]

Pull Request Test Coverage Report for Build 9735894504

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 97.32%

---

Files with Coverage Reduction	New Missed Lines	%
src/view.rs	1	95.96%

Totals
Change from base Build 9689115722:	-0.02%
Covered Lines:	4575
Relevant Lines:	4701

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9793705786

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 97.32%

---

Files with Coverage Reduction	New Missed Lines	%
src/view.rs	1	95.96%

Totals
Change from base Build 9689115722:	-0.02%
Covered Lines:	4575
Relevant Lines:	4701

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9800148094

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 97.341%

---

Totals
Change from base Build 9794837187:	0.02%
Covered Lines:	4576
Relevant Lines:	4701

---

💛 - Coveralls