ci: kind workflow updated with test-concurrency

The kind workflow improved with matrix to test `test-concurrency` parameter.

Signed-off-by: viktor-kurchenko <[email protected]>

Author: viktor-kurchenko

.github/workflows/kind.yaml

@@ -24,6 +24,11 @@ jobs:
   installation-and-connectivity:
     name: Kind Installation and Connectivity Test
     runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        include:
+          - test-concurrency: 1
+          - test-concurrency: 5
     timeout-minutes: 50
     steps:
       - name: Checkout
@@ -106,11 +111,13 @@ jobs:
           #
           # Dispatch interval is set to 100ms, b/c otherwise (default is 0), the flow validation might time out.
           cilium connectivity test --debug --test-namespace test-namespace \
+            --test-concurrency=${{ matrix.test-concurrency }} \
             --conn-disrupt-dispatch-interval 100ms \
             --include-conn-disrupt-test --conn-disrupt-test-setup
 
           # Run the connectivity test in non-default namespace (i.e. not cilium-test)
           cilium connectivity test --debug --all-flows --test-namespace test-namespace \
+            --test-concurrency=${{ matrix.test-concurrency }} \
             --include-unsafe-tests --include-conn-disrupt-test \
             --collect-sysdump-on-failure --junit-file cilium-junit-1.xml \
             --junit-property type=no-tunnel \
@@ -152,6 +159,7 @@ jobs:
       - name: Connectivity test
         run: |
           cilium connectivity test --debug --force-deploy --all-flows --test-namespace test-namespace \
+            --test-concurrency=${{ matrix.test-concurrency }} \
             --include-unsafe-tests \
             --collect-sysdump-on-failure --junit-file cilium-junit-2.xml \
             --junit-property type=ipsec \
@@ -315,10 +323,12 @@ jobs:
           #
           # Dispatch interval is set to 100ms, b/c otherwise (default is 0), the flow validation might time out.
           cilium connectivity test --context $CLUSTER1 --multi-cluster $CLUSTER2 --debug \
+            --test-concurrency=${{ matrix.test-concurrency }} \
             --conn-disrupt-dispatch-interval 100ms \
             --include-conn-disrupt-test --conn-disrupt-test-setup
 
           cilium connectivity test --context $CLUSTER1 --multi-cluster $CLUSTER2 --debug \
+            --test-concurrency=${{ matrix.test-concurrency }} \
             --include-unsafe-tests --include-conn-disrupt-test \
             --collect-sysdump-on-failure --junit-file cilium-junit-clustermesh-1.xml \
             --junit-property mode=clustermesh --junit-property type=ipsec