- Added code for JUnit 5 article

junit5/src/test/java/com/baeldung/AssumptionTest.java

@@ -0,0 +1,31 @@
+package com.baeldung;
+
+import org.junit.gen5.api.Test;
+
+import static org.junit.gen5.api.Assumptions.assumeFalse;
+import static org.junit.gen5.api.Assumptions.assumeTrue;
+import static org.junit.gen5.api.Assumptions.assumingThat;
+
+public class AssumptionTest {
+
+    @Test
+    void trueAssumption() {
+        assumeTrue(5 > 1);
+        System.out.println("Was true");
+    }
+
+    @Test
+    void falseAssumption() {
+        assumeFalse(5 < 1);
+        System.out.println("Was false");
+    }
+
+    @Test
+    void assumptionThat() {
+        String someString = "Just a string";
+        assumingThat(
+                someString.equals("Just a string"),
+                () -> System.out.println("Assumption was correct")
+        );
+    }
+}