test(tests/): add unit testing for proxy server endpoints

proxy_server_config.yaml

@@ -1,4 +1,10 @@
 model_list:
+  - model_name: gpt-3.5-turbo
+    litellm_params:
+      model: azure/chatgpt-v-2
+      api_base: https://openai-gpt-4-test-v-1.openai.azure.com/
+      api_version: "2023-05-15"
+      api_key: os.environ/AZURE_API_KEY # The `os.environ/` prefix tells litellm to read this from the env. See https://docs.litellm.ai/docs/simple_proxy#load-api-keys-from-vault
   - model_name: gpt-4
     litellm_params:
       model: azure/chatgpt-v-2
@@ -17,6 +23,21 @@ model_list:
       api_key: os.environ/AZURE_EUROPE_API_KEY
       api_base: https://my-endpoint-europe-berri-992.openai.azure.com
       rpm: 10
+  - model_name: text-embedding-ada-002
+    litellm_params: 
+      model: azure/azure-embedding-model
+      api_key: os.environ/AZURE_API_KEY
+      api_base: https://openai-gpt-4-test-v-1.openai.azure.com/
+      api_version: "2023-05-15"
+    model_info:
+      mode: embedding
+      base_model: text-embedding-ada-002
+  - model_name: dall-e-2
+    litellm_params:
+      model: azure/
+      api_version: 2023-06-01-preview
+      api_base: https://openai-gpt-4-test-v-1.openai.azure.com/
+      api_key: os.environ/AZURE_API_KEY
 
 litellm_settings:
   drop_params: True