mvn build fail when testng test fail

Question

i have 2 different tests

public class testcase1 {

        @Test
        public void testcase1() {
            System.out.println("test1 ");
        }
       @Test
        public void testcase2() {
            System.out.println("test 2 ");
        }
       @Test
        public void testcase3() {
             Assert.assertTrue(false);
        }
    }

when i use mvn clean test in terminal its execute all testcases and i git the report but its mark as build fail

here is the log

[ERROR] Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 7.588 s <<< FAILURE! - in TestSuite
[ERROR] fail1.testcase2.testcase2  Time elapsed: 0.012 s  <<< FAILURE!
java.lang.AssertionError: did not expect to find [true] but found [false]
        at fail1.testcase2.testcase2(testcase2.java:10)

[INFO] 
[INFO] Results:
[INFO] 
[ERROR] Failures: 
[ERROR]   testcase2.testcase2:10 did not expect to find [true] but found [false]
[INFO] 
[ERROR] Tests run: 3, Failures: 1, Errors: 0, Skipped: 0
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  59.248 s
[INFO] Finished at: 2019-12-02T07:30:00+05:30
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:3.0.0-M4:test (default-test) on project neeewdev1: There are test failures.
[ERROR] 
[ERROR] Please refer to /home/neeewdev1/target/surefire-reports for the individual test results.
[ERROR] Please refer to dump files (if any exist) [date].dump, [date]-jvmRun[N].dump and [date].dumpstream.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

please some can you explain why when testng result fail build also fail? and how can i solve this problem?

Answer 1

Use this option -Dmaven.test.failure.ignore