Enable tests on PRs

It only executes unit tests.

Checkstyle and Spring Java Format are executed.

Author: eddumelendez

.github/workflows/source-code-format-check.yml renamed to .github/workflows/pr-check.yml

@@ -1,4 +1,4 @@
-name: Source Code Format
+name: PR Format
 
 on:
   pull_request:
@@ -22,4 +22,4 @@ jobs:
 
       - name: Source code formatting check
         run: |
-          ./mvnw spring-javaformat:validate
+          ./mvnw test