Disable Mockito tests on previous versions

This commit ignores Mockito tests that run with Mockito 1 and earlier
version of Mockito 2. Java9 support seems to be only available as of
Mockito 2.5+

See also gh-9530

Author: snicoll

spring-boot-test/src/test/java/org/springframework/boot/test/mock/mockito/Mockito110Tests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.boot.test.mock.mockito;
 
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.JUnitCore;
 import org.junit.runner.Result;
@@ -35,6 +36,7 @@
  */
 @RunWith(ModifiedClassPathRunner.class)
 @ClassPathOverrides("org.mockito:mockito-core:1.10.19")
+@Ignore("Mockito 2.5+ is required with Java 9")
 public class Mockito110Tests {
 
 	@Test

spring-boot-test/src/test/java/org/springframework/boot/test/mock/mockito/Mockito21Tests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.boot.test.mock.mockito;
 
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.JUnitCore;
 import org.junit.runner.Result;
@@ -34,6 +35,7 @@
  */
 @RunWith(ModifiedClassPathRunner.class)
 @ClassPathOverrides("org.mockito:mockito-core:2.1.0")
+@Ignore("Mockito 2.5+ is required with Java 9")
 public class Mockito21Tests {
 
 	@Test

spring-boot-test/src/test/java/org/springframework/boot/test/mock/mockito/Mockito22Tests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.boot.test.mock.mockito;
 
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.JUnitCore;
 import org.junit.runner.Result;
@@ -34,6 +35,7 @@
  */
 @RunWith(ModifiedClassPathRunner.class)
 @ClassPathOverrides("org.mockito:mockito-core:2.2.0")
+@Ignore("Mockito 2.5+ is required with Java 9")
 public class Mockito22Tests {
 
 	@Test