feat: do not run validation on unrelated property

Author: barmac

packages/zeebe-element-templates-json-schema/src/defs/template/bindingType.json

@@ -82,6 +82,14 @@
               "properties": {
                 "binding": {
                   "properties": {
+                    "type": {
+                      "enum": [
+                        "zeebe:calledDecision",
+                        "zeebe:calledElement",
+                        "zeebe:formDefinition",
+                        "zeebe:linkedResource"
+                      ]
+                    },
                     "property": {
                       "const": "versionTag"
                     }

packages/zeebe-element-templates-json-schema/test/fixtures/binding-type/additional-property.js

@@ -0,0 +1,19 @@
+export const template = {
+  'name': 'AdditionalProperty',
+  'id': 'com.camunda.example.AdditionalProperty',
+  'appliesTo': [
+    'bpmn:Task'
+  ],
+  'properties': [
+    {
+      'type': 'Hidden',
+      'binding': {
+        'type': 'property',
+        'name': 'foo',
+        'property': 'versionTag' // This property is not used and should not cause an error
+      }
+    }
+  ]
+};
+
+export const errors = null;

packages/zeebe-element-templates-json-schema/test/spec/validationSpec.js

@@ -586,6 +586,11 @@ describe('validation', function() {
         'versionTag-invalid-input-type'
       ];
 
+      describe('additional property', function() {
+
+        it('binding-type/additional-property');
+      });
+
       describe('called decision', function() {
 
         for (const testCase of testCases) {