add test for specific arrangement of node package

test/unit/@node-red/registry/lib/resources/nodesDir2/lower-case/lower-case/lower-case.html

@@ -0,0 +1,26 @@
+<script type="text/javascript">
+    RED.nodes.registerType('lower-case',{
+        category: 'function',
+        color: '#a6bbcf',
+        defaults: {
+            name: {value:""}
+        },
+        inputs:1,
+        outputs:1,
+        icon: "file.png",
+        label: function() {
+            return this.name||"lower-case";
+        }
+    });
+</script>
+
+<script type="text/html" data-template-name="lower-case">
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+</script>
+
+<script type="text/html" data-help-name="lower-case">
+    <p>A simple node that converts the message payloads into all lower-case characters</p>
+</script>

test/unit/@node-red/registry/lib/resources/nodesDir2/lower-case/lower-case/lower-case.js

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+module.exports = function(RED) {
+    function LowerCaseNode(config) {
+        RED.nodes.createNode(this,config);
+        var node = this;
+        node.on('input', function(msg) {
+            msg.payload = msg.payload.toLowerCase();
+            node.send(msg);
+        });
+    }
+    RED.nodes.registerType("lower-case",LowerCaseNode);
+}

test/unit/@node-red/registry/lib/resources/nodesDir2/lower-case/package.json

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+{
+    "name" : "lower-case",
+    "node-red" : {
+        "nodes": {
+            "lower-case": "lower-case/lower-case.js"
+        }
+    },
+    "version": "1.0.0"
+}