Write test results to junit log file (#1200)

Author: alcaeus

.evergreen/config.yml

@@ -341,9 +341,11 @@ functions:
         display_name: "drivers-dir.tar.gz"
 
   "upload test results":
-    - command: attach.results
+    - command: attach.xunit_results
       params:
-        file_location: "${PROJECT_DIRECTORY}/test-results.json"
+        # Uploading test results does not work when using ${PROJECT_DIRECTORY},
+        # so we use an absolute path to work around this
+        file: "src/test-results.xml"
     - command: attach.results
       params:
         file_location: "${DRIVERS_TOOLS}/results.json"

.evergreen/run-tests.sh

@@ -23,10 +23,10 @@ fi
 
 echo "Running $AUTH tests, connecting to $MONGODB_URI"
 
-# Run the tests, and store the results in a Evergreen compatible JSON results file
+# Run the tests, and store the results in a junit result file
 case "$OS" in
    *)
-      TEST_PHP_ARGS="-q -x --show-diff -g FAIL,XFAIL,BORK,WARN,LEAK,SKIP" make test TESTS=$TESTS
+      TEST_PHP_JUNIT="${PROJECT_DIRECTORY}/test-results.xml" TEST_PHP_ARGS="-q -x --show-diff -g FAIL,XFAIL,BORK,WARN,LEAK,SKIP" make test TESTS=$TESTS
       ;;
 esac