--- a/eric7/PyUnit/UnittestDialog.ui	Wed Aug 25 17:44:36 2021 +0200
+++ b/eric7/PyUnit/UnittestDialog.ui	Thu Aug 26 18:08:46 2021 +0200
@@ -31,14 +31,31 @@
          </property>
          <layout class="QGridLayout" name="gridLayout">
           <item row="0" column="0" colspan="2">
-           <widget class="QCheckBox" name="discoverCheckBox">
-            <property name="toolTip">
-             <string>Select to discover tests automatically</string>
-            </property>
-            <property name="text">
-             <string>&amp;Discover tests (test modules must be importable)</string>
-            </property>
-           </widget>
+           <layout class="QHBoxLayout" name="horizontalLayout_4">
+            <item>
+             <widget class="QCheckBox" name="discoverCheckBox">
+              <property name="sizePolicy">
+               <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+                <horstretch>0</horstretch>
+                <verstretch>0</verstretch>
+               </sizepolicy>
+              </property>
+              <property name="toolTip">
+               <string>Select to discover tests automatically</string>
+              </property>
+              <property name="text">
+               <string>&amp;Discover tests (test modules must be importable)</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QToolButton" name="clearHistoriesButton">
+              <property name="toolTip">
+               <string>Press to clear the various histories</string>
+              </property>
+             </widget>
+            </item>
+           </layout>
           </item>
           <item row="1" column="0">
            <widget class="QLabel" name="label_3">
@@ -562,8 +579,9 @@
  <tabstops>
   <tabstop>tabWidget</tabstop>
   <tabstop>discoverCheckBox</tabstop>
+  <tabstop>clearHistoriesButton</tabstop>
+  <tabstop>discoveryPicker</tabstop>
   <tabstop>testsuitePicker</tabstop>
-  <tabstop>discoveryPicker</tabstop>
   <tabstop>testComboBox</tabstop>
   <tabstop>venvComboBox</tabstop>
   <tabstop>coverageCheckBox</tabstop>