Update and rename my_test.py to test_issue10863.py

testing/examples/my_test.py

@@ -1,22 +0,0 @@
-def test_():
-    m = [
-        "This is some dummy test which shows the strange way in which Pycharm"
-        " displays the full diff."
-    ]
-    assert m == []
-
-
-def test2_():
-    m = [
-        "This is another check"
-        " This line and the line above should be fine"
-        "Same with this line"
-        "But we should not see the '- ,' appear"
-        "But rather we should see a '- []' appear"
-    ]
-    assert [] == m
-
-
-# def test3_():
-#     m = ["This is some dummy test which shows the strange way in which Pycharm"]
-#     assert m == []

testing/examples/test_issue10863.py

@@ -0,0 +1,6 @@
+def test_():
+    m = [
+        "This is some dummy test which shows the strange way in which Pycharm"
+        " displays the full diff."
+    ]
+    assert m == []