cleaning old results og SUT plugin

apps/remix-ide/src/app/tabs/test-tab.js

@@ -76,6 +76,7 @@ module.exports = class TestTab extends ViewPlugin {
     this.updateGenerateFileAction()
     if (!this.areTestsRunning) this.updateRunAction(file)
     this.updateTestFileList()
+    this.clearResults()
     this.testTabLogic.getTests((error, tests) => {
       if (error) return tooltip(error)
       this.data.allTests = tests
@@ -434,21 +435,26 @@ module.exports = class TestTab extends ViewPlugin {
     this.uiPathList.appendChild(yo`<option>${this.inputPath.value}</option>`)
   }
 
+  clearResults () {
+    yo.update(this.resultStatistics, yo`<span></span>`)
+    this.call('editor', 'clearAnnotations')
+    this.testsOutput.innerHTML = ''
+    this.testsOutput.hidden = true
+    this.testsExecutionStopped.hidden = true
+    this.testsExecutionStoppedError.hidden = true
+  }
+
   runTests () {
     this.areTestsRunning = true
     this.hasBeenStopped = false
     this.readyTestsNumber = 0
     this.runningTestsNumber = this.data.selectedTests.length
-    yo.update(this.resultStatistics, this.createResultLabel())
     const stopBtn = document.getElementById('runTestsTabStopAction')
     stopBtn.removeAttribute('disabled')
     const runBtn = document.getElementById('runTestsTabRunAction')
     runBtn.setAttribute('disabled', 'disabled')
-    this.call('editor', 'clearAnnotations')
-    this.testsOutput.innerHTML = ''
-    this.testsOutput.hidden = true
-    this.testsExecutionStopped.hidden = true
-    this.testsExecutionStoppedError.hidden = true
+    this.clearResults()
+    yo.update(this.resultStatistics, this.createResultLabel())
     const tests = this.data.selectedTests
     if (!tests) return
     this.resultStatistics.hidden = tests.length === 0