dnschangertests needs to definde com.android.support:design as dependency

dnschangertests/build.gradle

@@ -32,11 +32,11 @@ dependencies {
     })
     implementation 'com.frostnerd.utils:androidutils:1.0.0'
 
-
     implementation 'com.android.support:appcompat-v7:27.1.1'
     implementation 'com.android.support:cardview-v7:27.1.1'
     implementation 'com.android.support:recyclerview-v7:27.1.1'
     implementation 'com.android.support:preference-v14:27.1.1'
+    implementation 'com.android.support:design:27.1.1'
     testImplementation 'junit:junit:4.12'
     implementation 'dnsjava:dnsjava:2.1.8'
     implementation 'org.pcap4j:pcap4j-core:1.7.3'