chore(axiom): add integration tests

Author: hahuja2

tests/integration/attributes/test_transaction_additional_params.php

@@ -0,0 +1,46 @@
+<?php
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+Test the use case where five parameters are passed into newrelic_notice_error and
+ensure all parameters show up as error attributes.
+*/
+
+/*EXPECT_ERROR_EVENTS
+[
+    "?? agent run id",
+    {
+        "reservoir_size": 100,
+        "events_seen": 1
+    },
+    [
+        [
+            {
+                "type": "TransactionError",
+                "timestamp": "??",
+                "error.class": "NoticedError",
+                "error.message": "Test Error Has Occurred!",
+                "error.file": "random.php",
+                "error.line": 46,
+                "error.context": "Random Error Has Been Detected",
+                "error.no": 256,
+                "transactionName": "??",
+                "duration": "??",
+                "nr.transactionGuid": "??",
+                "guid": "??",
+                "sampled": "??",
+                "priority": "??",
+                "traceId": "??",
+                "spanId": "??"
+            },
+            {},
+            {}
+        ]
+    ]
+]
+*/
+
+newrelic_notice_error(256, "Test Error Has Occurred!", "random.php", 46, "Random Error Has Been Detected");

tests/integration/attributes/test_transaction_additional_params2.php

@@ -0,0 +1,42 @@
+<?php
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+Test the use case where two parameters are passed into newrelic_notice_error 
+and the exception is shown as the error message.
+*/
+
+/*EXPECT_ERROR_EVENTS
+[
+    "?? agent run id",
+    {
+        "reservoir_size": 100,
+        "events_seen": 1
+    },
+    [
+        [
+            {
+                "type": "TransactionError",
+                "timestamp": "??",
+                "error.class": "Exception",
+                "error.message": "Noticed exception 'Exception' with message 'Sample Exception' in __FILE__:??",
+                "transactionName": "??",
+                "duration": "??",
+                "nr.transactionGuid": "??",
+                "guid": "??",
+                "sampled": "??",
+                "priority": "??",
+                "traceId": "??",
+                "spanId": "??"
+            },
+            {},
+            {}
+        ]
+    ]
+]
+*/
+
+newrelic_notice_error("Test Error Has Occurred!", new Exception('Sample Exception'));