fix browser size in tests

Author: KoolADE85

components/dash-core-components/src/components/css/tabs.css

@@ -45,7 +45,8 @@
 
 /* Tab disabled state */
 .tab--disabled {
-    color: #d6d6d6;
+    opacity: 0.6;
+    cursor: not-allowed;
 }
 
 /* Tab content area */

components/dash-core-components/tests/integration/tab/test_tabs.py

@@ -34,6 +34,7 @@ def test_tabs001_in_vertical_mode(dash_dcc):
         ]
     )
 
+    dash_dcc.driver.set_window_size(800, 600)
     dash_dcc.start_server(app)
     dash_dcc.wait_for_text_to_equal("#tab-3", "Tab three")
     dash_dcc.percy_snapshot("Core Tabs - vertical mode")
@@ -67,6 +68,7 @@ def render_content(tab):
         elif tab == "tab-2":
             return html.Div([html.H3("Test content 2")], id="test-tab-2")
 
+    dash_dcc.driver.set_window_size(800, 600)
     dash_dcc.start_server(app)
     dash_dcc.wait_for_text_to_equal("#tabs-content", "Test content 2")
     dash_dcc.percy_snapshot("Core initial tab - tab 2")
@@ -87,6 +89,7 @@ def test_tabs003_without_children_undefined(dash_dcc):
         id="app",
     )
 
+    dash_dcc.driver.set_window_size(800, 600)
     dash_dcc.start_server(app)
     dash_dcc.wait_for_element("#tabs-content")
     assert dash_dcc.find_element("#app").text == "Dash Tabs component demo"
@@ -122,6 +125,7 @@ def render_content(tab):
         elif tab == "tab-2":
             return html.H3("Tab content 2")
 
+    dash_dcc.driver.set_window_size(800, 600)
     dash_dcc.start_server(app)
     dash_dcc.wait_for_text_to_equal("#tabs-content", "Default selected Tab content 1")
     assert dash_dcc.get_logs() == []
@@ -155,6 +159,7 @@ def test_tabs005_disabled(dash_dcc):
         ]
     )
 
+    dash_dcc.driver.set_window_size(800, 600)
     dash_dcc.start_server(app)
 
     dash_dcc.wait_for_element("#tab-2")

components/dash-core-components/tests/integration/tab/test_tabs_with_graphs.py

@@ -64,6 +64,7 @@ def render_content(tab):
                 ]
             )
 
+    dash_dcc.driver.set_window_size(800, 600)
     dash_dcc.start_server(app)
 
     tab_one = dash_dcc.wait_for_element("#tab-1")
@@ -156,6 +157,7 @@ def on_click_update_graph(n_clicks):
                 "layout": {"width": 700, "height": 450},
             }
 
+    dash_dcc.driver.set_window_size(800, 600)
     dash_dcc.start_server(app)
 
     button_one = dash_dcc.wait_for_element("#one")