PY-22409: TC runners how report number of tests.

PY-13833: dots in test names are escaped by TC runners now.
* Blocks temporary disabled (see comments in _jb_runner_tools.py)
* Generators/parametrized tests are always provided with parentheses

python/testData/testRunner/env/pytest/test_escape_me.py

@@ -0,0 +1,11 @@
+import pytest
+
+@pytest.mark.parametrize('username,url', [
+    (None, 'https://facebook.com/'),
+    (None, 'https://facebook.com/share.php?http://foo.com/'),
+    (None, 'https://facebook.com/home.php'),
+    ('username', 'https://facebook.com/username'),
+    ('username', 'https://facebook.com/username/app_123'),
+])
+def test_get_facebook_username(url, username):
+    pass

python/testData/testRunner/env/pytest/test_escape_me.tree.txt

@@ -0,0 +1,9 @@
+Test tree:
+[root]
+.test_escape_me
+..test_get_facebook_username
+...(None-https://facebook_com/)(+)
+...(None-https://facebook_com/share_php?http://foo_com/)(+)
+...(None-https://facebook_com/home_php)(+)
+...(username-https://facebook_com/username)(+)
+...(username-https://facebook_com/username/app_123)(+)