I just followed the instructions here https://wiki.jenkins-ci.org/display/JENKINS/BrowserStack+Plugin and added the dependencies to the POM. However, the project fails to compile with the following errors:

[ERROR] '<>' operator is not allowed for source level below 1.7
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/retry/RetryAspect.java:39
retryHistory = new ArrayList<>();

[ERROR] '<>' operator is not allowed for source level below 1.7
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/retry/RetryAspect.java:114
ArrayList<String> componentNames = new ArrayList<>();

[ERROR] Method references are allowed only at source level 1.8 or above
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/retry/RetryAspect.java:130
componentNames.forEach(ChartData::reloadChart);
^^^^^

[ERROR] '<>' operator is not allowed for source level below 1.7
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/browser/Browser.java:28
private static Map<String, WebDriverWrapper> driverMap = new HashMap<>();
^^

[ERROR] '<>' operator is not allowed for source level below 1.7
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/browser/Browser.java:40
Map<String, Object> prefs = new HashMap<>();

[ERROR] Lambda expressions are allowed only at source level 1.8 or above
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/browser/WebDriverWrapper.java:211
ExpectedCondition<Boolean> pageLoad = driver -> ((JavascriptExecutor) driver).executeScript("return document.readyState").equals("complete");
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

[ERROR] Lambda expressions are allowed only at source level 1.8 or above
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/browser/WebDriverWrapper.java:221
ExpectedCondition<Boolean> pageLoad = driver -> {

[ERROR] '<>' operator is not allowed for source level below 1.7
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/components/Bubble.java:14
ArrayList<String> bubbleValues = new ArrayList<>();

[ERROR] The method addAll(Collection<? extends String>) in the type ArrayList<String> is not applicable for the arguments (List<Object>)
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/components/Bubble.java:16
bubbleValues.addAll(getBubbles(chartName).stream().map(bubble -> (String) Browser.getInstance().executeScript("return $(\"[id = '" + bubble.getAttribute("id") + "']\").attr('ffiq_native_value');")).collect(Collectors.toList()));

[ERROR] Lambda expressions are allowed only at source level 1.8 or above
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/components/Bubble.java:16
bubbleValues.addAll(getBubbles(chartName).stream().map(bubble -> (String) Browser.getInstance().executeScript("return $(\"[id = '" + bubble.getAttribute("id") + "']\").attr('ffiq_native_value');")).collect(Collectors.toList()));
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

[ERROR] '<>' operator is not allowed for source level below 1.7
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/components/Bubble.java:22
ArrayList<WebElement> bubbles = new ArrayList<>();

[ERROR] Multi-catch parameters are not allowed for source level below 1.7
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/components/DragNode.java:44
} catch (SAXException | ParserConfigurationException | IOException | XPathExpressionException e) {
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

[ERROR] '<>' operator is not allowed for source level below 1.7
/var/lib/jenkins/workspace/CognitoIQ-Projects/CognitoIQ-Services/Tests/WebUITests/FFIQ-Portal/CognitoDev/MobileManagementBrowserStack-CogDev-FFIQ-PortalTestAutomation/src/test/java/com/cognitomobile/ffiq/portal/test/components/DragNode.java:74
List<String> seriesList = new ArrayList<>();

The project compiles fine without these dependencies.