resolved testing issues

Author: Attyuttam

powertools-logging/powertools-logging-log4j/pom.xml

@@ -119,9 +119,6 @@
                                 --add-opens java.base/java.util=ALL-UNNAMED
                                 --add-opens java.base/java.lang=ALL-UNNAMED
                             </argLine>
-                            <environmentVariables>
-                                <AWS_LAMBDA_INITIALIZATION_TYPE>on-demand</AWS_LAMBDA_INITIALIZATION_TYPE>
-                            </environmentVariables>
                         </configuration>
                     </plugin>
                 </plugins>

powertools-logging/src/test/java/software/amazon/lambda/powertools/logging/internal/KeyBufferTest.java

@@ -354,8 +354,7 @@ void shouldUseDefaultWarningLoggerWhenNotProvided() {
             // Assert System.err received the warning
             assertThat(errCapture)
                     .hasToString(
-                            "WARN [KeyBuffer] - Some logs are not displayed because they were evicted from the buffer. Increase buffer size to store more logs in the buffer."
-                                    + System.lineSeparator());
+                            "WARN [KeyBuffer] - Some logs are not displayed because they were evicted from the buffer. Increase buffer size to store more logs in the buffer.\n");
         } finally {
             System.setErr(originalErr);
         }