Update tests

Author: pamelafox

infra/main.bicep

@@ -303,7 +303,7 @@ var webAppEnv = union(azureOpenAIKeyEnv, openAIComKeyEnv, [
   }
   {
     name: 'OPENAICOM_EMBED_MODEL_DIMENSIONS'
-    value: openAIEmbedHost == 'openaicom' ? '1536' : ''
+    value: openAIEmbedHost == 'openaicom' ? '1024' : ''
   }
   {
     name: 'OPENAICOM_EMBED_MODEL'

src/backend/fastapi_app/dependencies.py

@@ -44,7 +44,7 @@ async def common_parameters():
     if OPENAI_EMBED_HOST == "azure":
         openai_embed_deployment = os.getenv("AZURE_OPENAI_EMBED_DEPLOYMENT") or "text-embedding-3-large"
         openai_embed_model = os.getenv("AZURE_OPENAI_EMBED_MODEL") or "text-embedding-3-large"
-        openai_embed_dimensions = int(os.getenv("AZURE_OPENAI_EMBED_DIMENSIONS") or 1536)
+        openai_embed_dimensions = int(os.getenv("AZURE_OPENAI_EMBED_DIMENSIONS") or 1024)
         embedding_column = os.getenv("AZURE_OPENAI_EMBEDDING_COLUMN") or "embedding_3l"
     elif OPENAI_EMBED_HOST == "ollama":
         openai_embed_deployment = None