Reorganize tests

tests/test_blacken_docs.py

@@ -534,6 +534,12 @@ def test_format_src_rst():
     )
 
 
+def test_format_src_rst_empty():
+    before = "some text\n\n.. code-block:: python\n\n\nsome other text\n"
+    after, _ = blacken_docs.format_str(before, BLACK_MODE)
+    assert after == before
+
+
 def test_format_src_rst_literal_blocks():
     before = dedent(
         """\
@@ -560,6 +566,21 @@ def test_format_src_rst_literal_blocks():
     )
 
 
+def test_format_src_rst_literal_block_empty():
+    before = dedent(
+        """\
+        hello::
+        world
+        """
+    )
+    after, _ = blacken_docs.format_str(
+        before,
+        BLACK_MODE,
+        rst_literal_blocks=True,
+    )
+    assert after == before
+
+
 def test_format_src_rst_literal_blocks_nested():
     before = dedent(
         """
@@ -1325,13 +1346,7 @@ def test_format_src_rst_pycon_comments():
     assert after == before
 
 
-def test_format_empty_python_code_block():
-    before = "some text\n\n.. code-block:: python\n\n\nsome other text\n"
-    after, _ = blacken_docs.format_str(before, BLACK_MODE)
-    assert after == before
-
-
-def test_format_empty_pycon_code_block():
+def test_format_src_rst_pycon_empty():
     before = "some text\n\n.. code-block:: pycon\n\n\nsome other text\n"
     after, _ = blacken_docs.format_str(before, BLACK_MODE)
     assert after == before