Explore challenging intermittent nightly test failures

pwiz_tools/Skyline/SkylineTester/TabBuild.cs

@@ -196,6 +196,8 @@ public static bool CreateBuildCommands(
 
                 commandShell.Add("#@ Checking out {0} source files...\n", branchName);
                 commandShell.Add("# Checking out {0} source files...", branchName);
+                commandShell.Add("# Setting git's http postBuffer size to 500MB, should help with clone on unstable networks");
+                commandShell.Add("{0} config --global http.postBuffer 524288000", git.Quote());
                 // Add the --progress flag for richer logging - git leaves out most progress info when it isn't writing to an actual terminal
                 if (branchName.Contains("master"))
                 {

pwiz_tools/Skyline/TestRunner/Program.cs

@@ -1442,6 +1442,20 @@ private static bool RunTestPasses(
                     }
 
                     runTests.Log("\r\n");
+
+                    try
+                    {
+                        // Run procdump if installed
+                        var process = new Process();
+                        process.StartInfo.FileName = "procdump.exe";
+                        process.StartInfo.Arguments = $@"-accepteula -ma -mk -h TestRunner {dmpDir}"; 
+                        process.Start();
+                        runTests.Log("# launched ProcDump to try to catch hangs in TestRunner");
+                    }
+                    catch (Exception)
+                    {
+                        // ignored, presumably ProcDump is not installed    
+                    }
                 }
 
                 if (commandLineArgs.ArgAsBool("clipboardcheck"))