test: add integration tests for query_metrics

the integration tests check if all of the metrics we currently support actual are queryable after inference requests

this also tests thinks like aggregation, label filtering, etc

Signed-off-by: Charlie Doern <cdoern@redhat.com>

tests/integration/recordings/responses/4de6877d86fa.json

@@ -0,0 +1,56 @@
+{
+  "request": {
+    "method": "POST",
+    "url": "http://localhost:11434/v1/v1/chat/completions",
+    "headers": {},
+    "body": {
+      "model": "llama3.2:3b",
+      "messages": [
+        {
+          "role": "user",
+          "content": "OpenAI test 0"
+        }
+      ],
+      "stream": false
+    },
+    "endpoint": "/v1/chat/completions",
+    "model": "llama3.2:3b"
+  },
+  "response": {
+    "body": {
+      "__type__": "openai.types.chat.chat_completion.ChatCompletion",
+      "__data__": {
+        "id": "chatcmpl-843",
+        "choices": [
+          {
+            "finish_reason": "stop",
+            "index": 0,
+            "logprobs": null,
+            "message": {
+              "content": "I don't have any information about an \"OpenAI test 0\". It's possible that you may be referring to a specific experiment or task being performed by OpenAI, but without more context, I can only speculate.\n\nHowever, I can tell you that OpenAI is a research organization that has been involved in various projects and tests related to artificial intelligence. If you could provide more context or clarify what you're referring to, I may be able to help further.\n\nIf you're looking for general information about OpenAI, I can try to provide some background on the organization:\n\nOpenAI is a non-profit research organization that was founded in 2015 with the goal of developing and applying advanced artificial intelligence to benefit humanity. The organization has made significant contributions to the field of AI, including the development of the popular language model, ChatGPT.\n\nIf you could provide more context or clarify what you're looking for, I'll do my best to assist you.",
+              "refusal": null,
+              "role": "assistant",
+              "annotations": null,
+              "audio": null,
+              "function_call": null,
+              "tool_calls": null
+            }
+          }
+        ],
+        "created": 1755891518,
+        "model": "llama3.2:3b",
+        "object": "chat.completion",
+        "service_tier": null,
+        "system_fingerprint": "fp_ollama",
+        "usage": {
+          "completion_tokens": 194,
+          "prompt_tokens": 30,
+          "total_tokens": 224,
+          "completion_tokens_details": null,
+          "prompt_tokens_details": null
+        }
+      }
+    },
+    "is_streaming": false
+  }
+}