Store each test session result in separate file (#25)

* store each session result in separate file

* add safety check for Details property

* update tests

* make prettier

* update tests

* clean package-lock

* update tests

* make prettier

* update json structure and tests

* fix test failures

* add more test cases

* update session heading

* make prettier

* add filename sorting and remove unnecessary variable

Author: mw-kapilg

.gitignore

@@ -1,6 +1,9 @@
 ## For development environment
 .vscode
 
+# Claude
+.claude/
+
 # Don't include intermediate TypeScript compilation;
 # it should be forcibly added on release
 lib

package-lock.json

@@ -12,6 +12,8 @@ function reportFinalizedSuite(plugin, pluginData)
                 if isfield(pluginData.TestResult(idx).Details, "DiagnosticRecord") && ~isempty(pluginData.TestResult(idx).Details.DiagnosticRecord)
                     testDetails(idx).TestResult.Details.DiagnosticRecord.Event = pluginData.TestResult(idx).Details.DiagnosticRecord.Event;
                     testDetails(idx).TestResult.Details.DiagnosticRecord.Report = pluginData.TestResult(idx).Details.DiagnosticRecord.Report;
+                else
+                    testDetails(idx).TestResult.Details = struct();
                 end
                 testDetails(idx).TestResult.Name = pluginData.TestResult(idx).Name;
                 testDetails(idx).TestResult.Passed = pluginData.TestResult(idx).Passed;
@@ -20,18 +22,9 @@ function reportFinalizedSuite(plugin, pluginData)
                 testDetails(idx).BaseFolder = pluginData.TestSuite(idx).BaseFolder;
             end
 
-            % If test results artifact exists, update the same file
-            testArtifactFile = fullfile(getenv("RUNNER_TEMP"), "matlabTestResults" + getenv("GITHUB_RUN_ID") + ".json");
-            if isfile(testArtifactFile)
-                testResults = {jsondecode(fileread(testArtifactFile))};
-            else
-                testResults = {};
-            end
-            testResults{end+1} = testDetails;
-
             try
-                jsonTestResults = jsonencode(testResults, "PrettyPrint", true);
-
+                jsonTestResults = jsonencode(testDetails, "PrettyPrint", true);
+                testArtifactFile = fullfile(getenv("RUNNER_TEMP"), "matlabTestResults_" + string(datetime('now', 'Format', 'yyyyMMdd_HHmmss_SSS')) + ".json");
                 [fID, msg] = fopen(testArtifactFile, "w");
                 if fID == -1
                     warning("testframework:TestResultsSummaryPlugin:UnableToOpenFile","Unable to open a file required to create the table of test results. (Cause: %s)", msg);