CI/utils.py: Better diagnostic output when tests fail

[bernhardkaindl]

Improve the developer experience when files do no show up in the bugball output archive and the associated test fails.

[github-actions]

https://github.com/marketplace/actions/pytest-coverage-comment

File	Stmts	Miss	Cover	Missing
__init__.py	0	0	100%
conftest.py	30	0	100%
test_dir_list.py	11	0	100%
test_fs_funcs.py	10	0	100%
test_load_plugins.py	7	0	100%
test_output.py	43	0	100%
test_process_output.py	8	0	100%
test_xapidb_filter.py	17	0	100%
xen-bugtool	1521	716	52%	95, 100–101, 410, 490–491, 493–494, 511, 517, 540, 551–552, 555–556, 602, 606–608, 612, 614–618, 620–623, 632–634, 637, 656–657, 660, 662–666, 668–669, 672–673, 677–678, 680–681, 685–688, 690–693, 696–698, 700–701, 705–707, 710–711, 720, 722, 724–727, 729–731, 733–734, 738–739, 741, 743–749, 753–754, 756–760, 765–773, 775–777, 779–781, 783–784, 786, 801, 803–807, 809–810, 812, 814, 816–839, 842–846, 848, 850–871, 874–875, 877, 879, 882, 884–893, 895, 897–900, 902–912, 914–930, 932–936, 938–944, 947–976, 978–988, 990–993, 995–1015, 1017–1020, 1022, 1024, 1026–1027, 1029–1030, 1032, 1047–1048, 1050–1051, 1055–1056, 1058–1059, 1061, 1063, 1065–1066, 1068–1069, 1071–1080, 1083–1089, 1092–1093, 1095–1096, 1105–1106, 1108–1109, 1113, 1135–1138, 1140–1144, 1146–1153, 1155, 1157–1160, 1162, 1165–1167, 1169–1175, 1178–1180, 1184–1185, 1187–1188, 1190–1192, 1195–1196, 1199, 1201–1202, 1204, 1206, 1208–1209, 1213–1216, 1219, 1222, 1225–1227, 1230–1234, 1237–1238, 1241–1244, 1250–1256, 1259–1263, 1265–1281, 1284–1292, 1295–1296, 1298, 1300–1301, 1303–1311, 1314, 1316–1319, 1321, 1323–1324, 1358, 1386, 1401, 1409–1410, 1414–1416, 1418, 1421, 1423–1425, 1427–1431, 1433, 1437, 1440, 1443–1449, 1451, 1453–1457, 1463–1465, 1467–1472, 1475–1479, 1483–1484, 1486, 1503–1504, 1506, 1508–1509, 1511–1513, 1515–1522, 1524–1529, 1533–1534, 1536, 1538, 1540, 1556–1557, 1559, 1561–1563, 1566–1567, 1569, 1571–1573, 1576–1577, 1579, 1581–1584, 1587–1597, 1600–1604, 1614, 1626, 1636, 1640, 1651, 1675–1677, 1689–1692, 1700, 1715, 1719–1723, 1728–1730, 1743, 1749, 1759–1765, 1782, 1803–1806, 1808–1809, 1821, 1881, 1900, 1902, 1904, 1907–1915, 1918–1919, 1922–1929, 1931–1932, 1934, 1938–1939, 1943, 1947–1949, 1953–1954, 1957, 1961, 1966, 1972–1973, 1975, 1979, 1981–1984, 1987–1997, 2001, 2003, 2088–2090, 2093–2095, 2107, 2126–2128, 2168–2172, 2179, 2181–2184, 2188, 2202
TOTAL	1647	716	56%

Tests	Skipped	Failures	Errors	Time
11	0 💤	0 ❌	0 🔥	0.758s ⏱️

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (1aae840) 56.52% compared to head (57f4b55) 56.52%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #46   +/-   ##
=======================================
  Coverage   56.52%   56.52%           
=======================================
  Files           8        8           
  Lines        1647     1647           
=======================================
  Hits          931      931           
  Misses        716      716           

Flag	Coverage Δ
unittest	56.52% <ø> (ø)

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