diff --git a/modules/openapi-generator/src/test/java/org/openapitools/codegen/AbstractIntegrationTest.java b/modules/openapi-generator/src/test/java/org/openapitools/codegen/AbstractIntegrationTest.java
index 81c4978e787..0fcc7650f22 100644
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/AbstractIntegrationTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/AbstractIntegrationTest.java
@@ -17,10 +17,11 @@
 
 package org.openapitools.codegen;
 
+import java.nio.file.Files;
+import java.util.stream.Collectors;
 import io.swagger.v3.oas.models.OpenAPI;
 import org.openapitools.codegen.testutils.IntegrationTestPathsConfig;
 import org.testng.annotations.Test;
-import org.testng.reporters.Files;
 
 import java.io.IOException;
 import java.util.HashMap;
@@ -51,7 +52,7 @@ public abstract class AbstractIntegrationTest {
 
         IntegrationTestPathsConfig integrationTestPathsConfig = getIntegrationTestPathsConfig();
 
-        String specContent = Files.readFile(integrationTestPathsConfig.getSpecPath().toFile());
+        String specContent = Files.lines(integrationTestPathsConfig.getSpecPath()).collect(Collectors.joining("\n"));
         OpenAPI openAPI = TestUtils.parseContent(specContent);
 
 
diff --git a/pom.xml b/pom.xml
index 6be189ec94a..6dc2ca09c4e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <parent>
         <groupId>org.sonatype.oss</groupId>
         <artifactId>oss-parent</artifactId>
         <version>5</version>
-        <relativePath/>
-    <!-- lookup parent from repository -->
+        <relativePath />
+        <!-- lookup parent from repository -->
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.openapitools</groupId>
@@ -505,7 +507,8 @@
                             <failOnError>false</failOnError>
                             <!-- https://spotbugs.readthedocs.io/en/stable/effort.html -->
                             <effort>min</effort>
-                            <excludeFilterFile>${project.basedir}${file.separator}spotbugs-exclude.xml</excludeFilterFile>
+                            <excludeFilterFile>
+                                ${project.basedir}${file.separator}spotbugs-exclude.xml</excludeFilterFile>
                         </configuration>
                         <executions>
                             <execution>
@@ -1253,10 +1256,10 @@
         <spotbugs-plugin.version>3.1.12.2</spotbugs-plugin.version>
         <swagger-parser-groupid.version>io.swagger.parser.v3</swagger-parser-groupid.version>
         <swagger-parser.version>2.1.22</swagger-parser.version>
-        <testng.version>7.5</testng.version>
+        <testng.version>7.10.2</testng.version>
         <violations-maven-plugin.version>1.34</violations-maven-plugin.version>
         <wagon-ssh-external.version>3.4.3</wagon-ssh-external.version>
         <wagon-svn.version>1.12</wagon-svn.version>
         <wagon-webdav.version>1.0-beta-2</wagon-webdav.version>
     </properties>
-</project>
+</project>
\ No newline at end of file