Code review comment for ~canonical-kernel-team/+git/rt-hints:klebers/hints

Please combine all of the hints for the same test suite under a single test suite entry. For example:

ubuntu_kvm_unit_tests:
  - version: 4.15.0.*
    cloud: metal
    instance-type: akis
    arch: amd64
    state: FLAKY
    test-case: emulator
    comment: lp:#1932966 - kvm_unit_tests emulator test fails on 4.15 kernel, timeout
  - version: 4.15.0.*
    cloud: metal
    instance-type: akis
    arch: amd64
    state: FLAKY
    test-case: vmx
    comment: lp:#1917616 - vmx test from ubuntu_kvm_unit_tests failed on Bionic/Focal
  - version: 4.15.0.*
    cloud: metal
    instance-type: akis
    arch: amd64
    state: FLAKY
    test-case: vmx_apic_passthrough_thread
    comment: lp:#1918692 - ubuntu-kvm-unit-test/vmx_apic_passthrough_thread reports assertion failure
...