diff --git a/tests/cypress/template/sidebar-groups.cy.js b/tests/cypress/template/sidebar-groups.cy.js
new file mode 100644
index 000000000..420dad860
--- /dev/null
+++ b/tests/cypress/template/sidebar-groups.cy.js
@@ -0,0 +1,60 @@
+describe('Groups tab', () => {
+  it('Loads groups on vocab page', () => {
+    // Go to test vocab home page
+    cy.visit('/groups/en/')
+    // Check that groups tab is available and click it open
+    cy.get('#groups').should('not.have.class', 'disabled').click({force: true})
+    // Check that groups includes correct top groups
+    cy.get('#groups-list li').should('have.length', 3).invoke('text')
+      .should('contain', 'Fish')
+      .should('contain', 'Freshwater fish')
+      .should('contain', 'Saltwater fish')
+  })
+  it('Loads groups and expands hierarchy on group page', () => {
+    // Go to "Freshwater fish" group page
+    cy.visit('groups/en/page/?uri=http%3A%2F%2Fwww.skosmos.skos%2Fgroups%2Ffresh')
+    // Check that selected element is "Freshwater fish"
+    cy.get('#groups-list .selected').should('have.length', 1).invoke('text').should('contain', 'Freshwater fish')
+    // Check that "Freshwater fish" has 1 child "Carp"
+    cy.get('#groups-list li:has(.selected)').last().find('ul').should('have.length', 1).invoke('text').should('contain', 'Carp')
+    // Check that other groups are loaded
+    cy.get('#groups-list li').invoke('text')
+      .should('contain', 'Fish')
+      .should('contain', 'Saltwater fish')
+  })
+  it('Loads groups on concept page', () => {
+    // Go to "Carp" concept page
+    cy.visit('/groups/en/page/?uri=http%3A%2F%2Fwww.skosmos.skos%2Fgroups%2Fta112')
+    // Check that groups includes correct top groups
+    cy.get('#groups-list li').should('have.length', 3).invoke('text')
+      .should('contain', 'Fish')
+      .should('contain', 'Freshwater fish')
+      .should('contain', 'Saltwater fish')
+  })
+  it('Loads members and hides them on button click', () => {
+    // Go to test vocab home page
+    cy.visit('/groups/en/')
+    // Click groups tab open
+    cy.get('#groups').should('not.have.class', 'disabled').click({force: true})
+    // Click open button of second group
+    cy.get('#groups-list li button').eq(1).click({force: true})
+    // Check that child "Carp" is loaded in
+    cy.get('#groups-list li ul', {'timeout': 15000}).first().children().should('have.length', 1).invoke('text').should('include', 'Carp')
+    // Click open button again
+    cy.get('#groups-list li button').eq(1).click({force: true})
+    // Check that children are hidden
+    cy.get('#groups-list li ul').should('not.exist')
+  })
+  it('Loads members on group click', () => {
+    // Go to test vocab home page
+    cy.visit('/groups/en/')
+    // Click groups tab open
+    cy.get('#groups').should('not.have.class', 'disabled').click({force: true})
+    // Click second group
+    cy.get('#groups-list li a').eq(1).click({force: true})
+    // Check that children are loaded in
+    cy.get('#groups-list li ul', {'timeout': 15000}).first().children().should('have.length', 1)
+    // Check that child is correct
+    cy.get('#groups-list li ul').invoke('text').should('include', 'Carp')
+  })
+})
diff --git a/tests/testconfig.ttl b/tests/testconfig.ttl
index b4c1b2bae..7fe5218fd 100644
--- a/tests/testconfig.ttl
+++ b/tests/testconfig.ttl
@@ -233,6 +233,7 @@
 	void:uriSpace "http://www.skosmos.skos/onto/groups/";
 	skosmos:arrayClass isothes:ThesaurusArray ;
     skosmos:groupClass skos:Collection ;
+    skosmos:defaultConceptSidebarView "groups" ;
 	skosmos:language "fi", "en";
 	skosmos:defaultLanguage "fi";
 	skosmos:indexShowClass meta:TestClass, meta:TestClass2;