[mgrossmann]

Closes #724.

Same defect as #718: three test header comments named a private test system, measurement dates, job numbers, a consuming project and its console messages. The failure is now described in words; only the IEC031I D37-04 line remains. The two inline comments in tstx37.c and tstnospc.c that named the consumer are reworded too.

Comment-only change, no test code touched.

Test plan

• git diff shows comment lines only
• make test-host gives the same result as on main (23 host tests do not build in the local environment either way)
• CI green

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[mgrossmann]

Review of #739 (closes #724).

• Comment-only: I stripped comments from all three files at base and head and compared the results; the code is identical in test/host/tstfabnd.c, test/mvs/tstx37.c and test/mvs/tstnospc.c. The diff touches nothing else (3 files, +27/-26).
• Neutrality: a grep over the three files at the PR head finds no ftpd, mvsdev, WORK00, job numbers, dates, #129 or ftpd console messages (FTPD0xx). The only console line left is IEC031I D37-04, as intended. The two inline comments (/* the free catalogs it */) are reworded too.
• The reworded text still reads correctly and keeps the technical content (SPACE=TRK(1,0), the before/after map, the 200 records of 80).
• CI: build, host-tests, manuals (typst), package, SonarCloud and the Read the Docs build all pass.

Not tested: the MVS tests (tstx37, tstnospc) were not run; the change does not touch code, so I did not see a need.

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