* Add tests for like_url

tests/test_urlish.py

@@ -0,0 +1,20 @@
+from spacy.orth import is_urlish
+
+def test_basic_url():
+    assert is_urlish('www.google.com')
+    assert is_urlish('google.com')
+    assert is_urlish('sydney.com')
+    assert is_urlish('Sydney.edu')
+    assert is_urlish('2girls1cup.org')
+
+
+def test_close_enough():
+    assert is_urlish('http://stupid')
+    assert is_urlish('www.hi')
+
+
+def test_non_match():
+    assert not is_urlish('dog')
+    assert not is_urlish('1.2')
+    assert not is_urlish('1.a')
+    assert not is_urlish('hello.There')