cleanup a couple more dependency glitches (#96)

diff --git a/maven-wrapper/pom.xml b/maven-wrapper/pom.xml
index d8446e7..032ef97 100644
--- a/maven-wrapper/pom.xml
+++ b/maven-wrapper/pom.xml
@@ -51,13 +51,13 @@
   <dependencies>
     <dependency>
       <groupId>org.hamcrest</groupId>
-      <artifactId>hamcrest-core</artifactId>
+      <artifactId>hamcrest</artifactId>
       <version>2.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
-      <artifactId>junit-jupiter</artifactId>
+      <artifactId>junit-jupiter-api</artifactId>
       <scope>test</scope>
     </dependency>
     <dependency>