auditbeat TestExeObjParser - fix errors.Is argument order (#38606)

The arguments to errors.Is are in the wrong order so the check
is not working as designed and test is never skipped.

Also stop the test after exeObjParser.Parse fails.

Relates: #38211
(cherry picked from commit cd89cc4)

auditbeat/module/file_integrity/exeobjparser_test.go

@@ -48,15 +48,15 @@ func TestExeObjParser(t *testing.T) {
 				}
 
 				if _, ci := os.LookupEnv("CI"); ci {
-					if _, err := os.Stat(target); err != nil && errors.Is(fs.ErrNotExist, err) {
+					if _, err := os.Stat(target); err != nil && errors.Is(err, fs.ErrNotExist) {
 						t.Skip("skipping test because target binary was not found: see https://github.com/elastic/beats/issues/38211")
 					}
 				}
 
 				got := make(mapstr.M)
 				err := exeObjParser(nil).Parse(got, target)
 				if err != nil {
-					t.Errorf("unexpected error calling exeObjParser.Parse: %v", err)
+					t.Fatalf("unexpected error calling exeObjParser.Parse: %v", err)
 				}
 
 				fields := []struct {