fix: elastic search (#600)

tests/embedder/test_embedder.py

@@ -0,0 +1,11 @@
+import unittest
+
+from embedchain.embedder.base import BaseEmbedder
+
+
+class TestEmbedder(unittest.TestCase):
+    def test_init_with_invalid_vector_dim(self):
+        # Test if an exception is raised when an invalid vector_dim is provided
+        embedder = BaseEmbedder()
+        with self.assertRaises(TypeError):
+            embedder.set_vector_dimension(None)