Run selenium tests in Firefox is specific System property (synced with project property) is present

web/integration-core/build.gradle.kts

@@ -74,4 +74,12 @@ kotlin {
 
 tasks.named<Test>("jvmTest") {
     dependsOn(tasks.named("jsBrowserDevelopmentWebpack"))
+
+    listOf(
+        "compose.web.tests.integration.withFirefox"
+    ).forEach { propName ->
+        if (project.hasProperty(propName)) {
+            systemProperty(propName, "true")
+        }
+    }
 }

web/integration-core/src/jvmTest/kotlin/org/jetbrains/compose/web/tests/integration/common/BaseIntegrationTests.kt

@@ -61,15 +61,20 @@ object Drivers {
 @MethodSource("resolveDrivers")
 annotation class ResolveDrivers
 
+
 @DisplayNameGeneration(DisplayNameSimplifier::class)
 @ExtendWith(value = [StaticServerSetupExtension::class])
 abstract class BaseIntegrationTests() {
     companion object {
+        @OptIn(ExperimentalStdlibApi::class)
+        private val drivers: Array<Array<WebDriver>> = buildList<Array<WebDriver>> {
+            add(arrayOf(Drivers.Chrome))
+            if (System.getProperty("compose.web.tests.integration.withFirefox") == "true") {
+                add(arrayOf(Drivers.Firefox))
+            }
+        }.toTypedArray()
+
         @JvmStatic
-        fun resolveDrivers(): Array<Array<Any>> {
-            return arrayOf(
-                arrayOf(Drivers.Chrome)
-            )
-        }
+        fun resolveDrivers() = drivers
     }
 }