diff --git a/.github/workflows/pytest-core-nompi.yml b/.github/workflows/pytest-core-nompi.yml
index 5370d471185..9f17af173b1 100644
--- a/.github/workflows/pytest-core-nompi.yml
+++ b/.github/workflows/pytest-core-nompi.yml
@@ -160,6 +160,10 @@ jobs:
         pip install -e .[tests]
         pip install sympy==${{matrix.sympy}}
 
+    - name: Check configuration
+      run: |
+        ${{ env.RUN_CMD }} python3 -c "from devito import configuration; print(''.join(['%s: %s \n' % (k, v) for (k, v) in configuration.items()]))"
+
     - name: Test with pytest
       run: |
         ${{ env.RUN_CMD }} ${{ matrix.arch }} --version
diff --git a/tests/test_buffering.py b/tests/test_buffering.py
index 16f98b4f940..72364efd8a4 100644
--- a/tests/test_buffering.py
+++ b/tests/test_buffering.py
@@ -272,7 +272,7 @@ def test_over_injection():
 
     # Check generated code
     assert len(retrieve_iteration_tree(op1)) == \
-        7 + int(configuration['language'] != 'C')
+        7 + int(configuration['language'] != 'C') * 2
     buffers = [i for i in FindSymbols().visit(op1) if i.is_Array]
     assert len(buffers) == 1
 
diff --git a/tests/test_dle.py b/tests/test_dle.py
index f78ff175856..9dcd6d3d6e2 100644
--- a/tests/test_dle.py
+++ b/tests/test_dle.py
@@ -799,7 +799,7 @@ def test_mapify_reduction_sparse(self):
         eqns = [Eq(r, 0), Inc(r, s*s), Eq(n0[0], r)]
         op0 = Operator(eqns)
         op1 = Operator(eqns, opt=('advanced', {'mapify-reduce': True}))
-        
+
         expr0 = FindNodes(Expression).visit(op0)
         assert len(expr0) == 3
         assert expr0[1].is_reduction
@@ -809,11 +809,11 @@ def test_mapify_reduction_sparse(self):
         assert expr1[1].expr.lhs.indices == s.indices
         assert expr1[2].expr.rhs.is_Indexed
         assert expr1[2].is_reduction
-        
+
         op0()
         assert n0.data[0] == 11
         op1()
-        assert n0.data[0] == 11  
+        assert n0.data[0] == 11
 
     def test_array_max_reduction(self):
         """