diff --git a/.github/workflows/ci-mlir.yml b/.github/workflows/ci-mlir.yml
index 90b0a675cb..4932307ff9 100644
--- a/.github/workflows/ci-mlir.yml
+++ b/.github/workflows/ci-mlir.yml
@@ -24,10 +24,11 @@ jobs:
     env:
       LLVM_SYMBOLIZER_PATH: /usr/lib/llvm-11/bin/llvm-symbolizer
       MLIR-Version: 04fc02e583b06b846315904a55af9c273c8b20b9
+
     steps:
-    - uses: actions/checkout@v3
-      with:
-        path: xdsl
+    - name: Checkout Devito
+      uses: actions/checkout@v3
+
 
     - name: Install native dependencies
       uses: awalsh128/cache-apt-pkgs-action@latest
@@ -46,8 +47,8 @@ jobs:
 
     - name: Install requirements and xDSL
       run: |
-        pip install -r requirements.txt
-        pip install xdsl
+        pip install -e .[tests]
+        pip install xdsl==0.14
 
     - name: Cache binaries
       id: cache-binary
@@ -94,26 +95,12 @@ jobs:
         cd llvm-project/build
         cmake --build . --target mlir-opt mlir-cpu-runner
 
-    - name: Test with pytest and generate code coverage
-      run: |
-        cd xdsl
-        pytest -W error --cov --cov-config=.coveragerc .
-    - name: Execute lit tests
+    - name: ADD TO PATH
       run: |
         cd xdsl
         # Add mlir-opt to the path
         export PATH=$PATH:${GITHUB_WORKSPACE}/llvm-project/build/bin/
-        lit -v tests/filecheck/ -DCOVERAGE
-        lit -v docs/Toy/examples/ -DCOVERAGE
-    - name: Test MLIR dependent examples/tutorials
-      run: |
-        cd xdsl
-        # Add mlir-opt to the path
-        export PATH=$PATH:${GITHUB_WORKSPACE}/llvm-project/build/bin/
-        pytest --nbval docs/mlir_interoperation.ipynb --maxfail 1 -vv
-    - name: Combine coverage data
+
+    - name: Test with pytest and generate code coverage
       run: |
-        cd xdsl
-        coverage combine --append
-        coverage report
-        coverage xml
+        pytest -W error -m "not parallel" -k "not adjoint" tests/
diff --git a/fast/diffusion_2D_wBCs.py b/fast/diffusion_2D_wBCs.py
index 577a5cfeaa..baa3b1912f 100644
--- a/fast/diffusion_2D_wBCs.py
+++ b/fast/diffusion_2D_wBCs.py
@@ -93,4 +93,4 @@
 if args.xdsl and args.devito:
     assert np.isclose(norm(u), norm(devito_out), rtol=1e-5)
     max_error = np.max(np.abs(u.data - devito_out.data))
-    assert np.isclose(norm(u), norm(devito_out), rtol=1e-5)
+    print("Max error: ", max_error)
diff --git a/fast/wave2d_b.py b/fast/wave2d_b.py
index 92f178b133..b2d4615bd6 100644
--- a/fast/wave2d_b.py
+++ b/fast/wave2d_b.py
@@ -91,7 +91,7 @@
 
 if args.devito:
     # To measure Devito at its best on GPU, we have to set the tile siwe manually
-    opt = None
+    opt = 'advanced'
     if configuration['platform'].name == 'nvidiaX':
         opt = ('advanced', {'par-tile': (32, 4, 8)})
 
@@ -136,4 +136,6 @@
     # print("XDSL output norm 2:", np.linalg.norm(u.data[2]), "vs:", np.linalg.norm(ub.data[2]))
 
 if args.xdsl and args.devito:
-    print("Max error: ", np.max(np.abs(u.data - devito_out.data)))
+    max_error = np.max(np.abs(u.data - devito_out.data))
+    print("Max error: ", max_error)
+    assert np.isclose(norm(u), norm(devito_out), rtol=1e-2)
\ No newline at end of file
diff --git a/fast/wave3d_b.py b/fast/wave3d_b.py
index 6dea6249cf..1aff18a283 100644
--- a/fast/wave3d_b.py
+++ b/fast/wave3d_b.py
@@ -97,7 +97,7 @@
 
 if args.devito:
     # To measure Devito at its best on GPU, we have to set the tile siwe manually
-    opt = None
+    opt = 'advanced'
     if configuration['platform'].name == 'nvidiaX':
         opt = ('advanced', {'par-tile': (32, 4, 8)})