Fix logic randomChoice() for WeightedSwitchController

- Changed the method name to randomChoice()
- The method now takes a boolean value
- Add javaDoc for method randomChoice()

Author: kopysov

jmeter-java-dsl/src/main/java/us/abstracta/jmeter/javadsl/core/controllers/DslWeightedSwitchController.java

@@ -81,8 +81,18 @@ public DslWeightedSwitchController child(long weight, DslSampler child) {
     return addWeightedChild(weight, child);
   }
 
-  public DslWeightedSwitchController isRandomChoice(){
-    this.isRandomChoice = true;
+  /**
+   * Sets the random choice mode for child elements.
+   * <p>
+   * When random choice mode is enabled (randomChoice = true), the controller will select child elements
+   * randomly, according to their weights. When disabled (randomChoice = false), selection will occur
+   * sequentially based on weights.
+   *
+   * @param randomChoice true - to enable random selection, false - for sequential selection
+   * @return current controller instance for method chaining
+   */
+  public DslWeightedSwitchController randomChoice(boolean randomChoice){
+    this.isRandomChoice = randomChoice;
     return this;
   }
 

jmeter-java-dsl/src/test/java/us/abstracta/jmeter/javadsl/core/controllers/DslWeightedSwitchControllerTest.java

@@ -58,7 +58,7 @@ public void shouldHandleRandomChoiceWhenInPlan() throws Exception {
                             .child(weight1, httpSampler(SAMPLE_1_LABEL, wiremockUri))
                             .children(httpSampler(SAMPLE_2_LABEL, wiremockUri))
                             .child(weight2, httpSampler(label3, wiremockUri))
-                            .isRandomChoice()
+                            .randomChoice(true)
             )
     ).run();