diff --git a/tests/yaml-import-export.test.js b/tests/yaml-import-export.test.js
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+++ b/tests/yaml-import-export.test.js
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+import { describe, it, expect, beforeEach } from 'vitest';
+import '../trmnl-form-builder.js';
+
+describe('YAML import/export with depends_on functionality', () => {
+  let element;
+
+  beforeEach(() => {
+    // Create a new instance of the form builder for each test
+    element = document.createElement('trmnl-form-builder');
+    document.body.appendChild(element);
+    // Reset fields before each test
+    element.fields = [];
+  });
+
+  it('should properly export and import depends_on properties', () => {
+    // Create a parent xhrSelect field
+    element.addField('xhrSelect');
+    element.fields[0].keyname = 'team';
+    element.fields[0].endpoint = 'https://trmnl.com/custom_plugin_example_xhr_select.json';
+    element.fields[0].http_verb = 'GET';
+
+    // Create a child xhrSelect field that depends on the parent
+    element.addField('xhrSelect');
+    element.fields[1].keyname = 'player';
+    element.fields[1].endpoint = 'https://trmnl.com/custom_plugin_example_xhr_select_##{{team}}.json';
+    element.fields[1].http_verb = 'GET';
+    element.fields[1].depends_on = 'team';
+
+    // Generate YAML
+    const yamlOutput = element.generateYaml();
+    
+    // Verify depends_on is in the YAML output
+    expect(yamlOutput).toContain('depends_on: team');
+    
+    // Create a new instance to test import
+    const newElement = document.createElement('trmnl-form-builder');
+    document.body.appendChild(newElement);
+    
+    // Simulate importing the YAML by directly setting fields (since we don't have access to the parseYaml function in tests)
+    // We'll test that the export contains the depends_on property correctly
+    
+    // Check that the YAML output has proper structure
+    const lines = yamlOutput.split('\n');
+    let dependsOnLine = null;
+    for (let i = 0; i < lines.length; i++) {
+      if (lines[i].includes('depends_on: team')) {
+        dependsOnLine = i;
+        break;
+      }
+    }
+    
+    expect(dependsOnLine).not.toBeNull();
+    
+    // Verify the structure makes sense
+    const yamlLines = yamlOutput.trim().split('\n');
+    let playerFieldIndex = -1;
+    for (let i = 0; i < yamlLines.length; i++) {
+      if (yamlLines[i].includes('keyname: player')) {
+        playerFieldIndex = i;
+        break;
+      }
+    }
+    
+    expect(playerFieldIndex).toBeGreaterThan(-1);
+  });
+
+  it('should preserve depends_on relationships when serializing form data', () => {
+    // Create a parent xhrSelect field
+    element.addField('xhrSelect');
+    element.fields[0].keyname = 'department';
+    element.fields[0].endpoint = 'https://api.example.com/departments';
+    element.fields[0].http_verb = 'GET';
+
+    // Create a child xhrSelect field that depends on the parent
+    element.addField('xhrSelect');
+    element.fields[1].keyname = 'employee';
+    element.fields[1].endpoint = 'https://api.example.com/employees?department={department}';
+    element.fields[1].http_verb = 'GET';
+    element.fields[1].depends_on = 'department';
+
+    // Get the fields data (this mimics what would happen during serialization)
+    const fieldsData = element.getFields();
+    
+    // Verify the depends_on property is preserved
+    expect(fieldsData).toHaveLength(2);
+    expect(fieldsData[1].depends_on).toBe('department');
+    
+    // Create a new instance and set fields 
+    const newElement = document.createElement('trmnl-form-builder');
+    document.body.appendChild(newElement);
+    
+    // Set the fields (this mimics what would happen during deserialization)
+    newElement.setFields(fieldsData);
+    
+    // Verify that the depends_on property is preserved after setting
+    expect(newElement.fields).toHaveLength(2);
+    expect(newElement.fields[1].depends_on).toBe('department');
+  });
+});
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