diff --git a/.github/workflows/pr-sizer.yml b/.github/workflows/pr-sizer.yml
new file mode 100644
index 000000000..afdaa5d47
--- /dev/null
+++ b/.github/workflows/pr-sizer.yml
@@ -0,0 +1,73 @@
+name: PR Size Labeler
+
+on:
+  pull_request_target:
+    branches: integ-testing
+
+jobs:
+  authorization-check:
+    permissions: read-all
+    runs-on: ubuntu-latest
+    outputs:
+      approval-env: ${{ steps.collab-check.outputs.result }}
+    steps:
+      - name: Collaborator Check
+        uses: actions/github-script@v8
+        id: collab-check
+        with:
+          result-encoding: string
+          script: |
+            try {
+              const permissionResponse = await github.rest.repos.getCollaboratorPermissionLevel({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                username: context.payload.pull_request.user.login,
+              });
+              const permission = permissionResponse.data.permission;
+              const hasWriteAccess = ['write', 'admin'].includes(permission);
+              if (!hasWriteAccess) {
+                console.log(`User ${context.payload.pull_request.user.login} does not have write access`);
+                return "manual-approval"
+              } else {
+                console.log(`Verified ${context.payload.pull_request.user.login} has write access. Auto approving.`)
+                return "auto-approve"
+              }
+            } catch (error) {
+              console.log(`${context.payload.pull_request.user.login} does not have write access.`)
+              return "manual-approval"
+            }
+
+  size-label:
+    runs-on: ubuntu-latest
+    needs: authorization-check
+    if: needs.authorization-check.outputs.approval-env == 'auto-approve'
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Calculate PR size and apply label
+        uses: actions/github-script@v8
+        with:
+          script: |
+            const pr = context.payload.pull_request;
+            const totalChanges = pr.additions + pr.deletions;
+            
+            let sizeLabel;
+            if (totalChanges <= 20) sizeLabel = 'size/xs';
+            else if (totalChanges <= 100) sizeLabel = 'size/s';
+            else if (totalChanges <= 500) sizeLabel = 'size/m';
+            else if (totalChanges <= 1000) sizeLabel = 'size/l';
+            else {
+              sizeLabel = 'size/xl';
+              core.setFailed(`PR is too large (${totalChanges} lines). Please split into smaller PRs.`);
+            }
+            
+            await github.rest.issues.addLabels({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.payload.pull_request.number,
+              labels: [sizeLabel]
+            });
diff --git a/tests_integ/models/test_conformance.py b/tests_integ/models/test_conformance.py
index 36c21fb7f..e69de29bb 100644
--- a/tests_integ/models/test_conformance.py
+++ b/tests_integ/models/test_conformance.py
@@ -1,77 +0,0 @@
-from unittest import SkipTest
-
-import pytest
-from pydantic import BaseModel
-
-from strands import Agent
-from strands.models import Model
-from tests_integ.models.providers import ProviderInfo, all_providers, cohere, llama, mistral
-
-
-def get_models():
-    return [
-        pytest.param(
-            provider_info,
-            id=provider_info.id,  # Adds the provider name to the test name
-            marks=provider_info.mark,  # ignores tests that don't have the requirements
-        )
-        for provider_info in all_providers
-    ]
-
-
-@pytest.fixture(params=get_models())
-def provider_info(request) -> ProviderInfo:
-    return request.param
-
-
-@pytest.fixture()
-def skip_for(provider_info: list[ProviderInfo]):
-    """A fixture which provides a function to skip the test if the provider is one of the providers specified."""
-
-    def skip_for_any_provider_in_list(providers: list[ProviderInfo], description: str):
-        """Skips the current test is the provider is one of those provided."""
-        if provider_info in providers:
-            raise SkipTest(f"Skipping test for {provider_info.id}: {description}")
-
-    return skip_for_any_provider_in_list
-
-
-@pytest.fixture()
-def model(provider_info):
-    return provider_info.create_model()
-
-
-def test_model_can_be_constructed(model: Model, skip_for):
-    assert model is not None
-    pass
-
-
-def test_structured_output_is_forced(skip_for, model):
-    """Tests that structured_output is always forced to return a value even if model doesn't have any information."""
-    skip_for([mistral, cohere, llama], "structured_output is not forced for provider ")
-
-    class Weather(BaseModel):
-        time: str
-        weather: str
-
-    agent = Agent(model)
-
-    result = agent.structured_output(Weather, "How are you?")
-    assert isinstance(result, Weather)
-
-
-def test_structured_output_is_forced_when_provided_in_agent_invocation(skip_for, model):
-    """Tests that structured_output is always forced to return a value even if model doesn't have any information."""
-
-    class UserProfile(BaseModel):
-        """Basic user profile model."""
-
-        name: str
-        age: int
-        occupation: str
-
-    agent = Agent()
-    result = agent("Create a profile for John who is a 25 year old dentist", structured_output_model=UserProfile)
-    assert result.structured_output.name == "John"
-    assert result.structured_output.age == 25
-    assert result.structured_output.occupation == "dentist"