Fix: Jupyter notebook LaTeX math tests

test/models/task_test.rb

@@ -360,7 +360,12 @@ def test_ipynb_to_pdf
 
     # Test if latex math was rendered properly
     reader = PDF::Reader.new(task.final_pdf_path)
-    assert reader.pages.last.text.include?("weight\n")
+
+    # PDF-reader incorrectly parses "weight (kg) / height (m)^2" as "weight (2g) / height (m)", misplacing the ^2
+    # Detecting "height" and "weight" confirms correct LaTeX rendering
+    assert reader.pages.last.text.include?("BMI: bmi =")
+    assert reader.pages.last.text.include?("weight")
+    assert reader.pages.last.text.include?("height (m)")
 
     # ensure the notice is not included when the notebook doesn't have long lines source code cells
     # and no errors

test_files/submissions/vectorial_graph.ipynb

@@ -101,7 +101,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -951,7 +951,7 @@
    "source": [
     "Formula for calculating\n",
     "\n",
-    "BMI: $\\text{bmi}=\\frac{\\text{weight}}{\\text{height}^2}$"
+    "BMI: $\\text{bmi}=\\frac{\\text{weig}\\text{ht (kg)}}{\\text{hei} \\text{ght (m)}^2}$"
    ]
   }
  ],