make the test more readable

Author: mutianf

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/misc_utilities/MethodComparator.java

@@ -31,12 +31,9 @@ public class MethodComparator {
  MethodComparator::compareMethods, "compare method names, parameters and return types");
 
  private static boolean compareMethods(Method actual, Method expected) {
- if (!actual.getName().equals(expected.getName())
- || !Arrays.equals(actual.getParameterTypes(), expected.getParameterTypes())
- || actual.getModifiers() != expected.getModifiers()
- || !actual.getReturnType().equals(expected.getReturnType())) {
- return false;
- }
- return true;
+ return actual.getName().equals(expected.getName())
+ && Arrays.equals(actual.getParameterTypes(), expected.getParameterTypes())
+ && actual.getModifiers() == expected.getModifiers()
+ && actual.getReturnType().equals(expected.getReturnType());
  }
 }