[test-2995][e2e]Add task connection (#3524)

* Add task connection 

* Optimize test cases
 

* Modify variable format
 
 

* Optimize test cases
 

* Update BrowserCommon.java

* Update BrowserCommon.java

* Update WorkflowDefineLocator.java
Co-authored-by: chenxingchun <438044805@qq.com>

e2e/src/test/java/org/apache/dolphinscheduler/common/BrowserCommon.java

@@ -223,22 +223,46 @@ public class BrowserCommon {
     /**
      * mouse drag  element
      *
-     * @param source_locator BY
-     * @param target_locator BY
+     * @param sourceLocator BY
+     * @param targetLocator BY
      */
-    public void dragAndDrop(By source_locator, By target_locator) {
-        WebElement sourceElement = locateElement(source_locator);
-        WebElement targetElement = locateElement(target_locator);
+    public void dragAndDrop(By sourceLocator, By targetLocator) {
+        WebElement sourceElement = locateElement(sourceLocator);
+        WebElement targetElement = locateElement(targetLocator);
         actions.dragAndDrop(sourceElement, targetElement).perform();
         actions.release();
     }
 
-    public void moveToDragElement(By target_locator, int X, int Y) {
-        WebElement targetElement = locateElement(target_locator);
-        actions.dragAndDropBy(targetElement, X, Y).perform();
+    public void moveToDragElement(By targetLocator, int x, int y) {
+        WebElement targetElement = locateElement(targetLocator);
+        actions.dragAndDropBy(targetElement, x, y).perform();
         actions.release();
     }
 
+    /**
+     * Right mouse click on the element
+     *
+     * @param locator By
+     * @return actions
+     */
+    public void mouseRightClickElement(By locator) {
+        WebElement mouseRightClickElement = locateElement(locator);
+        actions.contextClick(mouseRightClickElement).perform();
+    }
+
+    /**
+     * The mouse moves from a position to a specified positionØ
+     *
+     * @param sourceLocator BY
+     * @param targetLocator BY
+     * @return actions
+     */
+    public void mouseMovePosition(By sourceLocator, By targetLocator) throws InterruptedException {
+        WebElement sourceElement = locateElement(sourceLocator);
+        WebElement targetElement = locateElement(targetLocator);
+        actions.dragAndDrop(sourceElement,targetElement).perform();
+        actions.click();
+    }
 
     /**
      * jump page

e2e/src/test/java/org/apache/dolphinscheduler/locator/project/WorkflowDefineLocator.java

@@ -120,12 +120,22 @@ public class WorkflowDefineLocator {
     //click submit button
     public static final By CLICK_SUBMIT_BUTTON = By.xpath("//div[3]/div/button[2]/span");
 
+    //copy task
+    public static final By MOUSE_RIGHT_CLICK = By.xpath("//div[2]/div[2]/div/div/div/div/div[2]");
+    public static final By COPY_TASK = By.xpath("//a[3]/span");
+
+    //click line
+    public static final By CLICK_LINE = By.xpath("//a[@id='line']/button/i");
+
+    public static final By LINE_SOURCES_TASK = By.xpath("//div[@id='canvas']/div[1]/div[2]");
+
+    public static final By LINE_TARGET_TASK = By.xpath("//div[@id='canvas']/div[2]/div[2]");
 
     /**
      * save workflow
      */
     //click save workflow button
-    public static final By CLICK_SAVE_WORKFLOW_BUTTON = By.xpath("//div[2]/div[1]/div[2]/button[2]");
+    public static final By CLICK_SAVE_WORKFLOW_BUTTON = By.xpath("//div[2]/div[1]/div[2]/button[2]/span");
 
     //input  workflow name
     public static final By INPUT_WORKFLOW_NAME = By.xpath("//input");

e2e/src/test/java/org/apache/dolphinscheduler/page/project/WorkflowDefinePage.java

@@ -131,6 +131,11 @@ public class WorkflowDefinePage extends PageCommon {
         System.out.println("move to Dag Element ");
         moveToDragElement(WorkflowDefineLocator.MOUSE_MOVE_SHELL_AT_DAG,-300,-100);
 
+        System.out.println("copy task");
+        mouseRightClickElement(WorkflowDefineLocator.MOUSE_RIGHT_CLICK);
+        clickButton(WorkflowDefineLocator.COPY_TASK);
+        clickButton(WorkflowDefineLocator.CLICK_LINE);
+        mouseMovePosition(WorkflowDefineLocator.LINE_SOURCES_TASK,WorkflowDefineLocator.LINE_TARGET_TASK);
         return ifTitleContains(WorkflowDefineData.CREATE_WORKFLOW_TITLE);
     }