update test a bit

Author: quicklybly

example/src/main/java/com/quicklybly/itmo/bytecodeanalizer/example/SimpleClass.java

@@ -0,0 +1,5 @@
+package com.quicklybly.itmo.bytecodeanalizer.example;
+
+public class SimpleClass {
+    private final String s = "123";
+}

example/src/test/java/com/quicklybly/itmo/bytecodeanalizer/example/IntegrationTest.java

@@ -28,9 +28,9 @@ public void analyzeComplexClass() throws IOException {
         Statistic stats = analyzer.analyzeJar(jarPath);
 
         assertThat(stats.getMaxInheritanceDepth()).isEqualTo(4);
-        assertThat(stats.getAverageInheritanceDepth()).isEqualTo(4.0);
-        assertThat(stats.getAverageFieldCount()).isEqualTo(2.0);
-        assertThat(stats.getAverageOverriddenCount()).isEqualTo(1.0);
-        assertThat(stats.getAbcMetric().getAbc()).isBetween(9.0, 10.0);
+        assertThat(stats.getAverageInheritanceDepth()).isEqualTo(2.5);
+        assertThat(stats.getAverageFieldCount()).isEqualTo(1.5);
+        assertThat(stats.getAverageOverriddenCount()).isEqualTo(0.5);
+        assertThat(stats.getAbcMetric().getAbc()).isBetween(10.0, 11.0);
     }
 }