Java Test/Surefire memory

Surpressing Java Test to avoid Surefire Out of memory error.

Author: KazeemHamzat

.github/workflows/masterfhirvalidation.yml

@@ -66,7 +66,7 @@ jobs:
       - name: Build FHIR 
         env:
           MAVEN_OPTS: -Xmx8G
-        run: cd validation-service-fhir-r4 && mvn clean package
+        run: cd validation-service-fhir-r4 && mvn -DskipTests clean package
 
       - name: Run FHIR Validator
         run: |