Add hamcrest

Author: eberhardtj

build.gradle

@@ -16,6 +16,7 @@ dependencies {
     compile 'org.codehaus.jcsp:jcsp:1.1-rc5'
     compile 'org.apache.solr:solr-solrj:7.4.0'
     testImplementation 'junit:junit:4.12'
+    testImplementation 'org.hamcrest:hamcrest-library:1.3'
     testImplementation 'org.metafacture:metafacture-xml:5.0.0'
     testImplementation 'org.metafacture:metafacture-io:5.0.0'
     testImplementation 'org.metafacture:metafacture-strings:5.0.0'