modify tests to run successfully on CentOS stream machines

Some tests failed when executed on CentOS-stream machines because of
insufficient code conditions. From now on, this problem should not
happen anymore.

libselinux/get_default_context/runtest.sh

@@ -39,7 +39,7 @@ rlJournalStart
         rlRun "sestatus"
     rlPhaseEnd
 
-    if rlIsRHEL ">=8.3" || rlIsFedora; then
+    if rlIsRHEL ">=8.3" || rlIsFedora || rlIsCentOS ">=8.3" ; then
     rlPhaseStartTest "#1879368"
         rlRun "cat ./reproducer.py"
         rlRun "./reproducer.py" 0

libselinux/validatetrans/runtest.sh

@@ -33,7 +33,7 @@ PACKAGE="libselinux"
 
 rlJournalStart
     # validatetrans utility is available since Fedora 32
-    if ! rlIsRHEL ">8" && ! rlIsFedora ">31"; then
+    if ! rlIsRHEL ">8" && ! rlIsFedora ">31" && ! rlIsCentOS ">8" ; then
         rlLog "Not applicable to this OS version."
         rlJournalEnd
         exit 0

libsemanage/semanage-handle-functions/runtest.sh

@@ -37,7 +37,7 @@ rlJournalStart
         rlAssertRpm "glibc"
         rlAssertRpm "gcc"
 
-        if rlIsRHEL ">=7" || rlIsFedora; then
+        if rlIsRHEL ">=7" || rlIsFedora || rlIsCentOS ">=7" ; then
             rlRun -l "gcc test_root.c           -o test_root            -lsemanage -Wall -Wextra -std=c99"
         fi
 
@@ -53,7 +53,7 @@ rlJournalStart
         ERR_ABORT=134
     rlPhaseEnd
 
-    if rlIsRHEL ">=7" || rlIsFedora; then
+    if rlIsRHEL ">=7" || rlIsFedora || rlIsCentOS ">=7" ; then
     rlPhaseStartTest "semanage_root, semanage_test_root"
         rlRun "./test_root init"
         rlRun "./test_root handle"

libsemanage/semanage-seuser-functions/runtest.sh

@@ -51,7 +51,7 @@ rlJournalStart
             if rlIsRHEL '<=6'; then
               SEUSERS_PATH="/etc/selinux/$POLICY_TYPE/seusers"
             fi
-        elif rlIsRHEL '>=8'; then
+        elif rlIsRHEL '>=8' || rlIsCentOS '>=8' ; then
             SEUSERS_PATH="/var/lib/selinux/$POLICY_TYPE/active/seusers"
         fi