Merge pull request #345 from flatcar-linux/kai/parallel-tests-arm64

jenkins/kola/azure|packet.sh: Remove hardcoded arm64 parallel test limit and align the timeout with the GC duration

ci-automation/vendor-testing/azure.sh

@@ -50,7 +50,8 @@ run_kola_tests() {
         instance_type="${azure_instance_type}"
     fi
 
-    timeout --signal=SIGQUIT 20h \
+    # Align timeout with ore azure gc --duration parameter
+    timeout --signal=SIGQUIT 6h \
       kola run \
       --board="${board}" \
       --basename="${basename}" \

jenkins/kola/azure.sh

@@ -32,7 +32,8 @@ fi
 
 # Do not expand the kola test patterns globs
 set -o noglob
-timeout --signal=SIGQUIT 20h bin/kola run \
+# Align timeout with ore azure gc --duration parameter
+timeout --signal=SIGQUIT 6h bin/kola run \
     --parallel="${PARALLEL}" \
     --basename="${NAME}" \
     --board="${BOARD}" \

jenkins/kola/packet.sh

@@ -32,13 +32,8 @@ fi
 # so we override the `PACKET_REGION` to `Dallas` since it's available in this region.
 # We do not override `PACKET_REGION` for both board on top level because we need to keep proximity
 # for PXE booting.
-# We override `PARALLEL_TESTS`, because kola run with PARALLEL_TESTS >= 4 causes the
-# tests to provision >= 12 ARM servers at the same time. As the da11 region does not
-# have that many free ARM servers, the whole tests will fail. With PARALLEL_TESTS=3
-# the total number of servers stays <= 9.
 if [[ "${BOARD}" == "arm64-usr" ]]; then
   PACKET_REGION="DA"
-  PARALLEL_TESTS="3"
 fi
 
 # Run the cl.internet test on multiple machine types only if it should run in general