Align with skeleton: Run visual tests against Chrome and Firefox only

.gemini.yml

@@ -1,7 +1,6 @@
 rootUrl: http://localhost:8080/components/vaadin-date-picker/test/visual/
 gridUrl: http://localhost:4444/wd/hub
 screenshotsDir: ./test/visual/screens
-windowSize: 1024x768
 
 system:
   plugins:
@@ -10,46 +9,14 @@ system:
     sauce: true
 
 browsers:
-  firefox:
-    desiredCapabilities:
-      browserName: "firefox"
-      version: "47.0"
-      platform: "Windows 10"
-
-  ie:
+  chrome:
     desiredCapabilities:
-      browserName: "internet explorer"
-      version: "11.0"
+      browserName: "chrome"
+      version: "67.0"
       platform: "Windows 10"
 
-  edge:
+  firefox:
     desiredCapabilities:
-      browserName: "microsoftedge"
-      version: "15"
+      browserName: "firefox"
+      version: "47.0"
       platform: "Windows 10"
-
-  # android:
-  #   desiredCapabilities:
-  #     browserName: "chrome"
-  #     platform: "Android"
-  #
-  # The following setups don't currently work due to Selenium SafariDriver issue
-  # https://github.com/vaadin/vaadin-element-skeleton/issues/19
-  #
-  # safari:
-  #   desiredCapabilities:
-  #     browserName: "safari"
-  #     version: "10.0"
-  #     platform: "OS X 10.11"
-  #
-  # iphone:
-  #   desiredCapabilities:
-  #     browserName: "iphone"
-  #     version: "9.2"
-  #     platform: "OS X 10.11"
-  #
-  # ipad:
-  #   desiredCapabilities:
-  #     browserName: "ipad"
-  #     version: "9.2"
-  #     platform: "OS X 10.11"

.travis.yml

@@ -24,7 +24,7 @@ script:
       if [[ "$TRAVIS_EVENT_TYPE" != "pull_request" && "$TRAVIS_BRANCH" != quick/* ]]; then
         if [[ "$TEST_SUITE" = "visual_tests" ]]; then
           npm i -q --no-save gemini@^4.0.0 gemini-sauce gemini-polyserve &&
-          gemini test test/visual && gemini test test/visual -c .gemini-chrome.yml;
+          gemini test test/visual;
         else
           wct --env saucelabs;
         fi;