move the remaining RippleAPI tests to the new test runner

test/api/generateXAddress/index.ts

@@ -0,0 +1,29 @@
+import assert from 'assert-diff'
+import responses from '../../fixtures/responses'
+import { TestSuite } from '../../utils'
+
+/**
+ * Every test suite exports their tests in the default object.
+ * - Check out the "TestSuite" type for documentation on the interface.
+ * - Check out "test/api/index.ts" for more information about the test runner.
+ */
+export default <TestSuite>{
+  'generateXAddress': async (api, address) => {
+    function random() {
+      return new Array(16).fill(0)
+    }
+    assert.deepEqual(
+      api.generateXAddress({ entropy: random() }),
+      responses.generateXAddress
+    )
+  },
+
+  'generateXAddress invalid': async (api, address) => {
+    assert.throws(() => {
+      function random() {
+        return new Array(1).fill(0)
+      }
+      api.generateXAddress({ entropy: random() })
+    }, api.errors.UnexpectedError)
+  }
+}