[BAEL-2996] Using OptionsBuilder instead of main method for benchmarking

java-math/src/test/java/com/baeldung/matrices/ejml/SimpleMatrixUnitTest.java

@@ -6,15 +6,10 @@ import org.openjdk.jmh.annotations.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-@BenchmarkMode(Mode.AverageTime)
-@Fork(value = 2)
-@Warmup(iterations = 5)
-@Measurement(iterations = 10)
-public class SimpleMatrixUnitTest {
+class SimpleMatrixUnitTest {
 
     @Test
-    @Benchmark
-    public void givenTwoMatrices_whenMultiply_thenMultiplicatedMatrix() {
+    void givenTwoMatrices_whenMultiply_thenMultiplicatedMatrix() {
         SimpleMatrix firstMatrix = new SimpleMatrix(
           new double[][] {
             new double[] {1d, 5d},
@@ -43,4 +38,4 @@ public class SimpleMatrixUnitTest {
         assertThat(actual).matches(m -> m.isIdentical(expected, 0d));
     }
 
-}
+}