Modify Selenium container startup detection (#351)

* Modify Selenium container startup detection, using alternative readiness string observed in v3.x of Selenium containers.

* Simplify string

* Revert simplification (needed for 2.45.0)

* Update test following comments

modules/selenium/src/main/java/org/testcontainers/containers/BrowserWebDriverContainer.java

@@ -56,7 +56,7 @@ public class BrowserWebDriverContainer<SELF extends BrowserWebDriverContainer<SE
      */
     public BrowserWebDriverContainer() {
         this.waitStrategy = new LogMessageWaitStrategy()
-                .withRegEx(".*RemoteWebDriver instances should connect to.*\n")
+                .withRegEx(".*(RemoteWebDriver instances should connect to|Selenium Server is up and running).*\n")
                 .withStartupTimeout(Duration.of(15, SECONDS));
     }
 

modules/selenium/src/test/java/org/testcontainers/junit/Selenium3xTest.java

@@ -0,0 +1,30 @@
+package org.testcontainers.junit;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.openqa.selenium.remote.DesiredCapabilities;
+import org.testcontainers.containers.BrowserWebDriverContainer;
+
+/**
+ * Simple test to check that readiness detection works correctly across major versions of the containers.
+ */
+@RunWith(Parameterized.class)
+public class Selenium3xTest {
+
+    @Parameterized.Parameters(name = "tag: {0}")
+    public static String[] data() {
+        return new String[]{"3.4.0", "2.53.0", "2.45.0"};
+    }
+
+    @Parameterized.Parameter()
+    public String tag;
+
+    @Test
+    public void testAdditionalStartupString() {
+        try (BrowserWebDriverContainer chrome = new BrowserWebDriverContainer("selenium/standalone-chrome-debug:" + tag)
+                .withDesiredCapabilities(DesiredCapabilities.chrome())) {
+            chrome.start();
+        }
+    }
+}