added gson dependency in pom, added sadpathtest class, updated logger, update happy path tests

Author: mfaisalkhatri

pom.xml

@@ -18,6 +18,7 @@
         <json-simple-version>1.1.1</json-simple-version>
         <lombok-version>1.18.34</lombok-version>
         <datafaker-version>2.3.1</datafaker-version>
+        <gson-version>2.11.0</gson-version>
         <org-json-verion>20240303</org-json-verion>
         <jackson-databind-version>2.17.2</jackson-databind-version>
         <log4j-core-version>2.12.4</log4j-core-version>
@@ -57,6 +58,11 @@
             <artifactId>datafaker</artifactId>
             <version>${datafaker-version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>${gson-version}</version>
+        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>