===== 7.3.12 (2019-11-21)

$ grep -ar 'Tests failed' /var/lib/mock/scl73*/build.log

/var/lib/mock/scl73el6x/build.log:Tests failed    :     1
/var/lib/mock/scl73el7x/build.log:Tests failed    :     0
/var/lib/mock/scl73el8x/build.log:Tests failed    :    14
/var/lib/mock/scl73fc29x/build.log:Tests failed    :    0
/var/lib/mock/scl73fc30x/build.log:Tests failed    :    0
/var/lib/mock/scl73fc31x/build.log:Tests failed    :    0


el6x
	1	Bug #64438 proc_open hangs with stdin/out with 4097+ bytes [ext/standard/tests/streams/proc_open_bug64438.phpt]
el8x
	5	buildroot issue (openssl)


(1)	proc_open give erratic test results :(
(2)	test issue (fixed upstream)
(3)	known issue
(4)	related to tzdata
(5)	need investigation