Fix spelling mistake in #1207.

_pytest/terminal.py

@@ -548,7 +548,7 @@ def build_summary_stats_line(stats):
     if parts:
         line = ", ".join(parts)
     else:
-        line = "no tests run"
+        line = "no tests ran"
 
     if 'failed' in stats or 'error' in stats:
         color = 'red'

testing/test_terminal.py

@@ -779,10 +779,10 @@ def test_terminal_summary(testdir):
     ("green", "1 passed, 1 xpassed", {"xpassed": (1,), "passed": (1,)}),
 
     # Likewise if no tests were found at all
-    ("yellow", "no tests run", {}),
+    ("yellow", "no tests ran", {}),
 
     # Test the empty-key special case
-    ("yellow", "no tests run", {"": (1,)}),
+    ("yellow", "no tests ran", {"": (1,)}),
     ("green", "1 passed", {"": (1,), "passed": (1,)}),