WIP debug crashtracker flaky spec

spec/datadog/profiling/crashtracker_spec.rb

@@ -94,6 +94,12 @@
       after { crashtracker.stop }
 
       it 'starts a second crash tracker for the fork' do
+        wait_for do
+          result = `pgrep -f libdatadog-crashtracking-receiver`
+          puts "pgrep: #{result} ----"
+          result.lines.size
+        end.to be(1), "Failure details: ps aux: #{`ps aux`}"
+
         expect_in_fork do
           crashtracker.reset_after_fork