k8s: Mock etcd information collection

Rancher does not provide information on etcd as container arguments.
Its collection requires implementation of a new information extraction
method.

RKE does not include etcd process name in container arguments.

Issue-ID: SECCOM-235
Change-Id: I7576474fb2848962360771d2850aeb3f3869790a
Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>
diff --git a/test/security/k8s/src/check/errors.go b/test/security/k8s/src/check/errors.go
new file mode 100644
index 0000000..d657c18
--- /dev/null
+++ b/test/security/k8s/src/check/errors.go
@@ -0,0 +1,10 @@
+package check
+
+import (
+	"errors"
+)
+
+var (
+	// ErrNotImplemented is returned when function is not implemented yet.
+	ErrNotImplemented = errors.New("function not implemented")
+)