Exclude lines from coverage

lib/lang/ja.py

@@ -2,11 +2,11 @@ def join_with_shared_prefix(a, b, joiner):
     i = 0
 
     # Find the shared prefix length where characters match
-    while i != len(a) and i != len(b) and ord(a[i]) == ord(b[i]):
+    while i != len(a) and i != len(b) and ord(a[i]) == ord(b[i]): # pragma: no cover
         i += 1
 
     # Move back to the last space character if needed
-    while i > 0 and a[i - 1] != " ":
+    while i > 0 and a[i - 1] != " ": # pragma: no cover
         i -= 1
 
     # Return the concatenated result

lib/lang/x-pig-latin.py

@@ -16,7 +16,7 @@ def join_with_shared_prefix(a, b, joiner):
 
     # ...except whitespace! We need that whitespace!
     # Move back until we hit a space or start of string
-    while i > 0 and (i > len(b) or (i <= len(b) and b[i - 1] != " ")):
+    while i > 0 and (i > len(b) or (i <= len(b) and b[i - 1] != " ")): # pragma: no cover
         i -= 1
 
     return a + joiner + b[i:]

test.py

@@ -133,7 +133,7 @@ def test_languages(subtests):
                 spec.loader.exec_module(mod)
 
                 # `template` must be defined inside the Python module
-                if not hasattr(mod, "cases"):
+                if not hasattr(mod, "cases"): # pragma: no cover
                     raise Exception(f"No 'cases' found in {lang_name}.py")
 
                 template = mod.cases