Added L2 drop counters check test cases

tests/drop_counters/acl_templates/acl_rule_del.json

@@ -0,0 +1,9 @@
+{
+    "acl": {
+        "acl-sets": {
+            "acl-set": {
+            }
+        }
+    }
+}
+

tests/drop_counters/acl_templates/acltb_test_rule.json

@@ -0,0 +1,29 @@
+{
+    "acl": {
+        "acl-sets": {
+            "acl-set": {
+                "DATAACL": {
+                    "acl-entries": {
+                        "acl-entry": {
+                            "1": {
+                                "actions": {
+                                    "config": {
+                                        "forwarding-action": "DROP"
+                                    }
+                                },
+                                "config": {
+                                    "sequence-id": 1
+                                },
+                                "ip": {
+                                    "config": {
+                                        "source-ip-address": "20.0.0.0/24"
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

tests/drop_counters/combined_drop_counters.yml

@@ -1,4 +1,6 @@
-# In this file should be defined regular expressions to match specific device platform which has combined L2 and L3 drop counters.
+# In this file should be defined regular expressions to match specific device platform which has combined:
+# - L2 and L3 drop counters
+# - ACL and L2 drop counters
 # If platform have separate drop counters, those platforms must not be in the list.
 # File content is a list of regular expressions defined in yaml format
 #
@@ -11,5 +13,12 @@
 # ASIC: mellanox
 
 # File content example:
-# - "x86_64-mlnx"
-# - "x86_64-dell.*"
+# l2_l3:
+#   - "x86_64-mlnx"
+#   - "x86_64-dell.*"
+# acl:
+#   - "x86_64-mlnx"
+#   - "x86_64-dell.*"
+l2_l3:
+
+acl: