fix gradle deprecations

applet/build.gradle

@@ -39,22 +39,22 @@ repositories {
 
 // Dependencies for your project
 dependencies {
-    testCompile 'org.testng:testng:6.1.1'
-    testCompile 'org.slf4j:slf4j-api:1.7.2'
-    testCompile 'org.slf4j:slf4j-log4j12:1.7.2'
-    testCompile 'org.apache.logging.log4j:log4j-core:2.11.2'
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.junit.jupiter:junit-jupiter-api:5.1.1'
-    testRuntime 'org.junit.jupiter:junit-jupiter-engine:5.1.1'
-    
-    testCompile group: 'com.klinec', name: 'javacard-tools', version: '0.0.2', transitive: false
+    testImplementation 'org.testng:testng:6.1.1'
+    testImplementation 'org.slf4j:slf4j-api:1.7.2'
+    testImplementation 'org.slf4j:slf4j-log4j12:1.7.2'
+    testImplementation 'org.apache.logging.log4j:log4j-core:2.11.2'
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.1.1'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.1.1'
+
+    testImplementation group: 'com.klinec', name: 'javacard-tools', version: '0.0.2', transitive: false
 
     jcardsim 'com.klinec:jcardsim:3.0.5.9'
 
     // Include plugin as it has bundled GP & other tools.
     // Alternative: include GP manually, but the included
     // version has to be compatible with the plugin.
-    runtimeOnly 'com.klinec:gradle-javacard:1.6.8'
+    runtimeOnly 'com.klinec:gradle-javacard:1.6.9'
 }
 
 test {