diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..1f403a9
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,13 @@
+name: First Workflow
+on: [push]
+
+jobs:
+  run-shell-commands:
+    runs-on: ubuntu-latest
+    steps:
+      - name: echo a string
+        run: echo "Hello World"
+      - name: Multiline Command
+        run: |
+          node -v
+          npm -v
diff --git a/src/test/java/com/scalesec/vulnado/CaluculatorTest.java b/src/test/java/com/scalesec/vulnado/CaluculatorTest.java
new file mode 100644
index 0000000..a1080a8
--- /dev/null
+++ b/src/test/java/com/scalesec/vulnado/CaluculatorTest.java
@@ -0,0 +1,26 @@
+/*
+#Added a Java Test File for Demonstration of Code Coverage Percentage update on SonarCloud Dashboard
+#By ASecurityGuru
+*/
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+
+public class CalculatorTest {
+
+	@Test
+    public void verifyAdditionOne() {
+
+		Calculator calculator = new Calculator();
+        int sum = calculator.addition("5+2");
+        assertEquals(7, sum);
+    }
+	
+	@Test
+    public void verifyAdditionTwo() {
+
+		Calculator calculator = new Calculator();
+        int sum = calculator.addition("13+27");
+        assertEquals(40, sum);
+    }
+}