Add hamcrest dependency

dependencies/spring-security-dependencies.gradle

@@ -52,6 +52,7 @@ dependencies {
 		api "org.eclipse.jetty:jetty-server:9.4.40.v20210413"
 		api "org.eclipse.jetty:jetty-servlet:9.4.40.v20210413"
 		api "org.eclipse.persistence:javax.persistence:2.2.1"
+		api "org.hamcrest:hamcrest:2.2"
 		api "org.hibernate:hibernate-entitymanager:5.4.31.Final"
 		api "org.hsqldb:hsqldb:2.6.0"
 		api "org.jasig.cas.client:cas-client-core:3.6.2"

itest/web/spring-security-itest-web.gradle

@@ -10,6 +10,7 @@ dependencies {
 	testImplementation project(':spring-security-core')
 	testImplementation project(':spring-security-test')
 	testImplementation project(':spring-security-web')
+	testImplementation 'org.hamcrest:hamcrest'
 	testImplementation 'org.springframework:spring-beans'
 	testImplementation 'org.springframework:spring-test'
 	testImplementation 'org.springframework:spring-webmvc'

web/spring-security-web.gradle

@@ -23,6 +23,7 @@ dependencies {
 	testImplementation 'commons-codec:commons-codec'
 	testImplementation 'io.projectreactor:reactor-test'
 	testImplementation 'javax.xml.bind:jaxb-api'
+	testImplementation 'org.hamcrest:hamcrest'
 	testImplementation 'org.mockito:mockito-core'
 	testImplementation 'org.mockito:mockito-inline'
 	testImplementation 'org.skyscreamer:jsonassert'