add proper examples to pytest-testslide/README.md

pytest-testslide/README.md

@@ -10,14 +10,30 @@ pip install pytest-testslide
 
 In your test file:
 ```
+        import pytest
         from pytest_testslide import testslide
         from testslide import StrictMock # if you wish to use StrictMock
         from testslide import matchers # if you wish to use Rspec style argument matchers
         .....
-        testslide.mock_callable # to use mock_callable
-        testslide.mock_async_callable # to use mock_async_callable
-        testslide.mock_constructor # to use mock_constructor
-        testslide.patch_attribute # to use patch_attribute
+        def test_mock_callable_patching_works(testslide):
+            testslide.mock_callable(time, "sleep").to_raise(RuntimeError("Mocked!")) #mock_callable
+            with pytest.raises(RuntimeError):
+                time.sleep()
+
+        @pytest.mark.asyncio
+        async def test_mock_async_callable_patching_works(testslide):
+            testslide.mock_async_callable(sample_module.ParentTarget, "async_static_method").to_raise(RuntimeError("Mocked!")) #mock_async_callable
+            with pytest.raises(RuntimeError):
+                await sample_module.ParentTarget.async_static_method("a", "b")
+
+        def test_mock_constructor_patching_works(testslide):
+            testslide.mock_constructor(sample_module, "ParentTarget").to_raise(RuntimeError("Mocked!"))  #mock_constructor
+            with pytest.raises(RuntimeError):
+                sample_module.ParentTarget()
+
+        def test_patch_attribute_patching_works(testslide):
+            testslide.patch_attribute(sample_module.SomeClass, "attribute", "patched") #patch_attribute
+            assert sample_module.SomeClass.attribute == "patched"
 
 ```