Update gating to be compatible with tmt

tests/plans/all.fmf

@@ -0,0 +1,8 @@
+summary: Run gating tests
+discover:
+    how: fmf
+    dist-git-source: true
+    dist-git-type: centos
+
+execute:
+    how: tmt

tests/scripts/main.fmf

@@ -0,0 +1,6 @@
+summary: Run tlog tier1 tests
+require:
+  - git
+  - tlog
+test: ./run_tests.sh -m tier1
+duration: 30m

tests/scripts/run_tests.sh

@@ -9,6 +9,14 @@ if rlIsRHEL '>=9'; then
     dnf --enablerepo rhel-buildroot install python3-pytest -y
 fi
 
+# RHEL10 cloud-init disables password authentication
+# tlog tests need this to run currently
+cat > /etc/ssh/sshd_config.d/00-tlog-override.conf <<EOF
+PasswordAuthentication yes
+EOF
+chmod 600 /etc/ssh/sshd_config.d/00-tlog-override.conf
+systemctl restart sshd
+
 git clone https://github.com/Scribery/tlog.git
 pushd tlog/src/tlitest
 ./tlitest-setup