test: test more base64 codepaths on Node.js

Author: ChALkeR

tests/base64.hermes.test.cjs

@@ -0,0 +1,14 @@
+Buffer.TYPED_ARRAY_SUPPORT = true
+delete globalThis.TextDecoder
+delete Uint8Array.prototype.toBase64
+delete Uint8Array.fromBase64
+
+if (globalThis.HermesInternal) {
+  // Test non-Hermes path on Hermes
+  delete globalThis.HermesInternal
+} else {
+  // And Hermes path on non-Hermes
+  globalThis.HermesInternal = true
+}
+
+require('./base64.test.js')

tests/base64.nobuf.test.cjs

@@ -0,0 +1,4 @@
+Buffer.TYPED_ARRAY_SUPPORT = true
+delete Uint8Array.prototype.toBase64
+delete Uint8Array.fromBase64
+require('./base64.test.js')