test: Add a test for HideKeyboard(string key) method (#768)

* test: Add a test for HideKeyboard(string key) method

* fix: update bool naming

Author: Dor-bl

test/integration/Android/Device/KeyboardTests.cs

@@ -47,8 +47,21 @@ public void IsKeyBoardShownTestCase()
             var text_edit_btn = By.Id("io.appium.android.apis:id/left_text_edit");
             _driver.FindElement(text_edit_btn).Clear();
             _driver.FindElement(text_edit_btn).Click();
-            bool keyboard_bool = _driver.IsKeyboardShown();
-            Assert.That(keyboard_bool);
+            bool is_visible = _driver.IsKeyboardShown();
+            Assert.That(is_visible);
         }
+
+        [Test]
+        public void HideKeyBoardWithKeyTestCase()
+        {
+            _driver.StartActivity("io.appium.android.apis", ".app.CustomTitle");
+            var text_edit_btn = By.Id("io.appium.android.apis:id/left_text_edit");
+            _driver.FindElement(text_edit_btn).Clear();
+            _driver.FindElement(text_edit_btn).Click();
+            _driver.HideKeyboard("Enter");
+            bool is_visible = _driver.IsKeyboardShown();
+            Assert.That(!is_visible);
+        }
+
     }
 }