Ci quality workflows (#1423)

* Add inference tests

* Clean up

* Rename test graph file

* Add readme for tests

* Separate server fixture

* test file name change

* Assert images are generated

* Clean up comments

* Add __init__.py so tests can run with command line `pytest`

* Fix command line args for pytest

* Loop all samplers/schedulers in test_inference.py

* Ci quality workflows compare (#1)

* Add image comparison tests

* Comparison tests do not pass with empty metadata

* Ensure tests are run in correct order

* Save image files  with test name

* Update tests readme

* Reduce step counts in tests to ~halve runtime

* Ci quality workflows build (#2)

* Add build test github workflow

tests/inference/graphs/default_graph_sdxl1_0.json

@@ -0,0 +1,144 @@
+{
+    "4": {
+      "inputs": {
+        "ckpt_name": "sd_xl_base_1.0.safetensors"
+      },
+      "class_type": "CheckpointLoaderSimple"
+    },
+    "5": {
+      "inputs": {
+        "width": 1024,
+        "height": 1024,
+        "batch_size": 1
+      },
+      "class_type": "EmptyLatentImage"
+    },
+    "6": {
+      "inputs": {
+        "text": "a photo of a cat",
+        "clip": [
+          "4",
+          1
+        ]
+      },
+      "class_type": "CLIPTextEncode"
+    },
+    "10": {
+      "inputs": {
+        "add_noise": "enable",
+        "noise_seed": 42,
+        "steps": 20,
+        "cfg": 7.5,
+        "sampler_name": "euler",
+        "scheduler": "normal",
+        "start_at_step": 0,
+        "end_at_step": 32,
+        "return_with_leftover_noise": "enable",
+        "model": [
+          "4",
+          0
+        ],
+        "positive": [
+          "6",
+          0
+        ],
+        "negative": [
+          "15",
+          0
+        ],
+        "latent_image": [
+          "5",
+          0
+        ]
+      },
+      "class_type": "KSamplerAdvanced"
+    },
+    "12": {
+      "inputs": {
+        "samples": [
+          "14",
+          0
+        ],
+        "vae": [
+          "4",
+          2
+        ]
+      },
+      "class_type": "VAEDecode"
+    },
+    "13": {
+      "inputs": {
+        "filename_prefix": "test_inference",
+        "images": [
+          "12",
+          0
+        ]
+      },
+      "class_type": "SaveImage"
+    },
+    "14": {
+      "inputs": {
+        "add_noise": "disable",
+        "noise_seed": 42,
+        "steps": 20,
+        "cfg": 7.5,
+        "sampler_name": "euler",
+        "scheduler": "normal",
+        "start_at_step": 32,
+        "end_at_step": 10000,
+        "return_with_leftover_noise": "disable",
+        "model": [
+          "16",
+          0
+        ],
+        "positive": [
+          "17",
+          0
+        ],
+        "negative": [
+          "20",
+          0
+        ],
+        "latent_image": [
+          "10",
+          0
+        ]
+      },
+      "class_type": "KSamplerAdvanced"
+    },
+    "15": {
+      "inputs": {
+        "conditioning": [
+          "6",
+          0
+        ]
+      },
+      "class_type": "ConditioningZeroOut"
+    },
+    "16": {
+      "inputs": {
+        "ckpt_name": "sd_xl_refiner_1.0.safetensors"
+      },
+      "class_type": "CheckpointLoaderSimple"
+    },
+    "17": {
+      "inputs": {
+        "text": "a photo of a cat",
+        "clip": [
+          "16",
+          1
+        ]
+      },
+      "class_type": "CLIPTextEncode"
+    },
+    "20": {
+      "inputs": {
+        "text": "",
+        "clip": [
+          "16",
+          1
+        ]
+      },
+      "class_type": "CLIPTextEncode"
+    }
+  }