Add test to use asterisks to continue step type instead of And or But

Author: jsa34

tests/steps/test_keyword.py

@@ -0,0 +1,63 @@
+import textwrap
+
+
+def test_asterisk_keyword(pytester):
+    pytester.makefile(
+        ".feature",
+        asterisk=textwrap.dedent(
+            """\
+            Feature: Step continuation
+                Scenario: Asterisk steps
+                  Given I am out shopping
+                  * I have eggs
+                  * I have milk
+                  * I have butter
+                  When I check my list
+                  Then I don't need anything
+            """
+        ),
+    )
+    pytester.makepyfile(
+        textwrap.dedent(
+            """\
+        import pytest
+        from pytest_bdd import given, when, then, scenario
+
+        @scenario("asterisk.feature", "Asterisk steps")
+        def test_asterisk_steps():
+            pass
+
+        @given("I am out shopping")
+        def _():
+            pass
+
+
+        @given("I have eggs")
+        def _():
+            pass
+
+
+        @given("I have milk")
+        def _():
+            pass
+
+
+        @given("I have butter")
+        def _():
+            pass
+
+
+        @when("I check my list")
+        def _():
+            pass
+
+
+        @then("I don't need anything")
+        def _():
+            pass
+
+        """
+        )
+    )
+    result = pytester.runpytest()
+    result.assert_outcomes(passed=1)