Fix fuzzy compare logic

IPython/nbconvert/tests/base.py

@@ -45,6 +45,10 b' class TestsBase(object):'
         parameters of this method.
         """
 
+        if ignore_newlines:
+            a = a.replace('\n', '')
+            b = b.replace('\n', '')
+
         if newlines_are_spaces:
             a = a.replace('\n', ' ')
             b = b.replace('\n', ' ')
@@ -61,10 +65,6 b' class TestsBase(object):'
             a = self.recursive_replace(a, '  ', ' ')
             b = self.recursive_replace(b, '  ', ' ')
 
-        if ignore_newlines:
-            a = a.replace('\n', '')
-            b = b.replace('\n', '')
-
         if not case_sensitive:
             a = a.lower()
             b = b.lower()