fix: shell-escape commands being passed to Bash in the test suite

[Smattr]

This seems to have begun causing problems on FreeBSD in CI:

def run(*popenargs, … retcode = process.poll() if check and retcode:

raise CalledProcessError(retcode, process.args, E subprocess.CalledProcessError: Command '['bash', '-o', 'pipefail', '-c', '--', 'echo \'select name, line, col from symbols where name = "foo";\' | sqlite3 /tmp/pytest-of-root/pytest-0/test_case_string_c_0/tempfile1']' returned non-zero exit status 1. /usr/local/lib/python3.9/subprocess.py:528: CalledProcessError ----------------------------- Captured stderr call ----------------------------- [CLINK] clink/src/option.c:231: failed to open /tmp/pytest-of-root/pytest-0/test_case_string_c_0/compile_commands.json [CLINK] clink/src/option.c:244: failed to open /tmp/pytest-of-root/pytest-0/test_case_string_c_0/build/compile_commands.json setting up compile commands failed: No message of desired type [CLINK] libclink/src/parse_with_clang.c:546: processed symbol fn, rc = 0 [CLINK] libclink/src/parse_with_clang.c:198: setting parent fn for recursion [CLINK] libclink/src/parse_with_clang.c:404: recursing past irrelevant cursor 202 [CLINK] libclink/src/parse_with_clang.c:404: recursing past irrelevant cursor 231 [CLINK] libclink/src/parse_with_clang.c:546: processed symbol foo, rc = 0 [CLINK] libclink/src/parse_with_clang.c:546: processed symbol , rc = 0 [CLINK] libclink/src/parse_with_clang.c:546: processed symbol , rc = 0 [CLINK] libclink/src/parse_with_clang.c:404: recursing past irrelevant cursor 109 [CLINK] libclink/src/parse_with_clang.c:404: recursing past irrelevant cursor 231 [CLINK] libclink/src/parse_with_clang.c:546: processed symbol baz, rc = 0 [CLINK] libclink/src/parse_with_clang.c:546: processed symbol , rc = 0 [CLINK] libclink/src/parse_with_clang.c:546: processed symbol , rc = 0 [CLINK] libclink/src/parse_with_clang.c:404: recursing past irrelevant cursor 109 [CLINK] libclink/src/parse_with_clang.c:404: recursing past irrelevant cursor 231 [CLINK] libclink/src/parse_with_clang.c:546: processed symbol a, rc = 0 [CLINK] libclink/src/parse_with_clang.c:546: processed symbol , rc = 0 [CLINK] libclink/src/parse_with_clang.c:404: recursing past irrelevant cursor 110 Parse error near line 1: no such column: foo select name, line, col from symbols where name = "foo"; error here ---^