Adjust Fedora CI test plan to match upstream one

e2e_tests.fmf

@@ -1,5 +1,19 @@
 summary: run keylime e2e tests
 
+# define context to filter out all test requiring TPM device
+context:
+  swtpm: yes
+
+prepare:
+  - how: shell
+    script:
+     - rm -f /etc/yum.repos.d/tag-repository.repo
+     - dnf config-manager --set-enabled updates-testing updates-testing-modular
+  - how: shell
+    order: 90
+    script:
+     - sed -i "s/tpm_hash_alg =.*/tpm_hash_alg = sha256/" /etc/keylime.conf
+
 discover:
     how: fmf
     url: https://github.com/RedHat-SP-Security/keylime-tests