Report 'call' phase as 'live log call'

As commented in review, this makes it consistent with the headers shown
by stdout/stderr capturing ("Captured log call")

Author: nicoddemus

_pytest/logging.py

@@ -409,8 +409,7 @@ def emit(self, record):
                 self.stream.write('\n')
                 self._first_record_emitted = True
             if not self._section_name_shown:
-                header = 'live log' if self._when == 'call' else 'live log ' + self._when
-                self.stream.section(header, sep='-', bold=True)
+                self.stream.section('live log ' + self._when, sep='-', bold=True)
                 self._section_name_shown = True
             logging.StreamHandler.emit(self, record)
         finally:

testing/logging/test_reporting.py

@@ -254,7 +254,7 @@ def test_log_2(fix):
         '{}::test_log_1 '.format(filename),
         '*-- live log setup --*',
         '*WARNING*log message from setup of test_log_1*',
-        '*-- live log --*',
+        '*-- live log call --*',
         '*WARNING*log message from test_log_1*',
         'PASSED *50%*',
         '*-- live log teardown --*',
@@ -263,7 +263,7 @@ def test_log_2(fix):
         '{}::test_log_2 '.format(filename),
         '*-- live log setup --*',
         '*WARNING*log message from setup of test_log_2*',
-        '*-- live log --*',
+        '*-- live log call --*',
         '*WARNING*log message from test_log_2*',
         'PASSED *100%*',
         '*-- live log teardown --*',