tests: read raw template string

Author: paulOsinski

unittests/test_pdf_report_rendering.py

@@ -192,21 +192,20 @@ def test_long_unbroken_string_in_report_field(self):
     def test_report_base_css_has_overflow_wrap(self):
         """The report base template must include overflow-wrap for text wrapping."""
         template = self.django_engine.get_template("report_base.html")
-        # Render with minimal context to get the CSS
-        html = template.render({"report_name": "Test"})
+        source = template.template.source
 
-        self.assertIn("overflow-wrap: break-word", html)
+        self.assertIn("overflow-wrap: break-word", source)
 
     def test_report_base_css_styles_nested_pre(self):
         """
         The report base CSS must style .report-field pre to prevent
         nested <pre> elements from breaking out of margins.
         """
         template = self.django_engine.get_template("report_base.html")
-        html = template.render({"report_name": "Test"})
+        source = template.template.source
 
-        self.assertIn(".report-field pre", html)
-        self.assertIn("overflow-wrap: break-word", html)
+        self.assertIn(".report-field pre", source)
+        self.assertIn("overflow-wrap: break-word", source)
 
     def test_raw_request_pre_tags_preserved(self):
         """