util: Add test-inject-keys.sh to run_tests
util: Add test-inject-keys.sh to run_tests

Add the shell test test-inject-keys.sh to util/run_tests.sh

BRANCH=None
BUG=None
TEST=./util/run_tests.sh

Signed-off-by: Jeremy Bettis <4df7b5147fee087dca33c181f288ee7dbf56e022@google.com>
Change-Id: I5608b81cd4d0faa1688a3d62035eb7af360ac4a5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3759274
Tested-by: Jeremy Bettis <4df7b5147fee087dca33c181f288ee7dbf56e022@chromium.org>
Commit-Queue: Jeremy Bettis <4df7b5147fee087dca33c181f288ee7dbf56e022@chromium.org>
Reviewed-by: Tristan Honscheid <1e17951ff5ffc8afe254954c03de64afef62fe52@google.com>
Reviewed-by: Jack Rosenthal <d3f605bef1867f59845d4ce6e4f83b8dc9e4e0ae@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec