tests: k8s-sysctls.bats allow all policy

Use the "allow all" policy for k8s-sysctls.bats, instead of
relying on the Kata Guest image to use the same policy as its default.

Signed-off-by: Dan Mihai <dmihai@microsoft.com>

tests/integration/kubernetes/k8s-sysctls.bats

@@ -11,11 +11,14 @@ load "${BATS_TEST_DIRNAME}/tests_common.sh"
 setup() {
 	pod_name="sysctl-test"
 	get_pod_config_dir
+
+	yaml_file="${pod_config_dir}/pod-sysctl.yaml"
+	add_allow_all_policy_to_yaml "${yaml_file}"
 }
 
 @test "Setting sysctl" {
 	# Create pod
-	kubectl apply -f "${pod_config_dir}/pod-sysctl.yaml"
+	kubectl apply -f "${yaml_file}"
 
 	# Check pod creation
 	kubectl wait --for=condition=Ready --timeout=$timeout pod $pod_name