Add Test case for EggDropping (#3687)

src/test/java/com/thealgorithms/dynamicprogramming/EggDroppingTest.java

@@ -0,0 +1,28 @@
+package com.thealgorithms.dynamicprogramming;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class EggDroppingTest {
+
+    @Test
+    void hasMultipleEggSingleFloor(){
+        assertEquals(1,EggDropping.minTrials(3,1));
+    }
+
+    @Test
+    void hasSingleEggSingleFloor(){
+        assertEquals(1,EggDropping.minTrials(1,1));
+    }
+
+    @Test
+    void hasSingleEggMultipleFloor(){
+        assertEquals(3,EggDropping.minTrials(1,3));
+    }
+
+    @Test
+    void hasMultipleEggMultipleFloor(){
+        assertEquals(7,EggDropping.minTrials(100,101));
+    }
+}