Add test cases for comment formatting scenarios described in PY-12938

python/testData/formatter/docCommentIgnored.py

@@ -0,0 +1,4 @@
+#: :type: dict of (str, C)
+d = {'foo': C()}
+#: :type: list of str
+xs = ['bar']

python/testData/formatter/docCommentIgnored_after.py

@@ -0,0 +1,4 @@
+#: :type: dict of (str, C)
+d = {'foo': C()}
+#: :type: list of str
+xs = ['bar']

python/testData/formatter/doubleHashCommentIgnored.py

@@ -0,0 +1,6 @@
+###########
+##
+##  MANUAL
+##
+
+print('Spam')

python/testData/formatter/doubleHashCommentIgnored_after.py

@@ -0,0 +1,6 @@
+###########
+##
+##  MANUAL
+##
+
+print('Spam')

python/testSrc/com/jetbrains/python/PyFormatterTest.java

@@ -401,10 +401,6 @@ public class PyFormatterTest extends PyTestCase {
     doTest();
   }
 
-  public void testShebang() { //PY-12775
-    doTest();
-  }
-
   public void testParenthesisAroundGeneratorExpression() {
     doTest();
   }
@@ -505,6 +501,21 @@ public class PyFormatterTest extends PyTestCase {
     doTest();
   }
 
+  // PY-12938
+  public void testDoubleHashCommentIgnored() {
+    doTest();
+  }
+
+  // PY-12938
+  public void testDocCommentIgnored() {
+    doTest();
+  }
+
+  // PY-12775
+  public void testShebangCommentIgnored() {
+    doTest();
+  }
+
   /**
    * This test merely checks that call to {@link com.intellij.psi.codeStyle.CodeStyleManager#reformat(com.intellij.psi.PsiElement)}
    * is possible for Python sources.