fixed test

Author: sinanerdinc

tests/acceptance/mimesis_tests.robot

@@ -196,10 +196,10 @@ Fake Word Returns Non-Empty String
     ${word}=    Fake Word
     Should Not Be Empty    ${word}
 
-Fake Sentence Ends With Period
-    [Documentation]    Verify Fake Sentence ends with a period.
+Fake Sentence Ends With Punctuation
+    [Documentation]    Verify Fake Sentence ends with valid punctuation (. ! ? " ').
     ${sentence}=    Fake Sentence
-    Should End With    ${sentence}    .
+    Should Match Regexp    ${sentence}    [.!?"']$
 
 Fake Hex Color Starts With Hash
     [Documentation]    Verify Fake Hex Color returns a '#RRGGBB' format string.