fix: e2e tests

Author: AyaMahmoud148

example/lib/src/screens/my_home_page.dart

@@ -115,9 +115,8 @@ class _MyHomePageState extends State<MyHomePage> {
   }
 
   void changePrimaryColor() {
-    String text = 'FF' + primaryColorController.text.replaceAll('#', '');
-    Color color = Color(int.parse(text, radix: 16));
-    Instabug.setPrimaryColor(color);
+    String text = primaryColorController.text.replaceAll('#', '');
+    Instabug.setTheme(ThemeConfig(primaryColor: '#$text'));
   }
 
   void setColorTheme(ColorTheme colorTheme) {

test/instabug_test.dart

@@ -433,4 +433,24 @@ void main() {
       mHost.willRedirectToStore(),
     ).called(1);
   });
+
+  test('[setTheme] should call host method with theme config', () async {
+    const themeConfig = ThemeConfig(primaryColor: '#FF0000');
+
+    await Instabug.setTheme(themeConfig);
+
+    verify(
+      mHost.setTheme(themeConfig.toMap()),
+    ).called(1);
+  });
+
+  test('[setPrimaryColor] should call setTheme with primary color', () async {
+    const color = Color(0xFFFF0000);
+
+    await Instabug.setPrimaryColor(color);
+
+    verify(
+      mHost.setTheme(any),
+    ).called(1);
+  });
 }