fix(integration_runner): Fixes test failures

If EXPECT_PHP_PACKAGES was not given and the agent detected a
package then the test would fail which is not the desired behavior.

src/newrelic/integration/test.go

@@ -516,7 +516,8 @@ func (t *Test) comparePhpPackages(harvest *newrelic.Harvest) {
 			t.Fatal(fmt.Errorf("EXPECTED_PHP_PACKAGES used but no packaged detected in environment!"))
 		}
 	} else {
-		expectedPackages = nil
+		// no configuration given for package (no EXPECT_PHP_PACKAGES in test case) so don't run test
+		return
 	}
 
 	audit, err := newrelic.IntegrationData(harvest.PhpPackages, newrelic.AgentRunID("?? agent run id"), time.Now())
@@ -530,10 +531,6 @@ func (t *Test) comparePhpPackages(harvest *newrelic.Harvest) {
 		return
 	}
 
-	fmt.Printf("harvest.PhpPackages %+v\n", harvest.PhpPackages)
-	fmt.Printf("actualPackages %+v\n", actualPackages)
-	fmt.Printf("expectedPackages %+v\n", expectedPackages)
-
 	if nil != harvest.PhpPackages && 0 < harvest.PhpPackages.NumSaved() {
 		if nil == expectedPackages {
 			t.Fail(fmt.Errorf("No expected PHP packages, harvest contains %+v\n", actualPackages))