The string "error:" is too general and reports false positive from system
messages that can occur on stderr when using network devices for testing.
The string "runtime error:" is sufficiently unique for these connection
errors to pass through w/o a false positive.
rdar://100564373
Reviewed By: thetruestblue
Differential Revision: https://reviews.llvm.org/D139230
We're hitting path size limits on Windows on these tests. As a
workaround, make the file names shorter.
Reviewed By: vitalybuka
Differential Revision: https://reviews.llvm.org/D136113