fix: rename functional to zemu

tests/zemu/src/approve.test.js

@@ -0,0 +1,25 @@
+import "core-js/stable";
+import "regenerator-runtime/runtime";
+import { waitForAppScreen, zemu, nano_models } from './test.fixture';
+
+nano_models.forEach(function(model) {
+    test('[Nano ' + model.letter + '] Approve DAI tokens', zemu(model, async (sim, eth) => {
+
+      const tx = eth.signTransaction(
+        "44'/60'/1'/0/0",
+        'F869468506A8B15E0082EBEB946B175474E89094C44DA98B954EEDEAC495271D0F80B844095EA7B30000000000000000000000007D2768DE32B0B80B7A3454C06BDAC94A69DDC7A9FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF018080',
+      );
+
+      let clicks;
+      if (model.letter === 'S') clicks = 8;
+      else clicks = 6;
+      await waitForAppScreen(sim);
+      await sim.navigateAndCompareSnapshots('.', model.name + '_approve_dai_tokens', [clicks, -1, 0]);
+
+      await expect(tx).resolves.toEqual({
+        "r": "92243511396b65a4faa735a5472ea99b3ce0f7f2338eab426206730bc0ddc57f",
+        "s": "161bc0f861064d840de4f4304cfd19a571017e62df7d8f70cf605c0f025593b6",
+        "v": "25",
+      });
+    }));
+});