diff --git a/changelogs/unreleased/improve-handleLocationHash-tests.yml b/changelogs/unreleased/improve-handleLocationHash-tests.yml
new file mode 100644
index 00000000000..8ae3dfe079c
--- /dev/null
+++ b/changelogs/unreleased/improve-handleLocationHash-tests.yml
@@ -0,0 +1,4 @@
+---
+title: Improve gl.utils.handleLocationHash tests
+merge_request:
+author:
diff --git a/spec/javascripts/lib/utils/common_utils_spec.js.es6 b/spec/javascripts/lib/utils/common_utils_spec.js.es6
index ff70664546d..bf3bc622cdc 100644
--- a/spec/javascripts/lib/utils/common_utils_spec.js.es6
+++ b/spec/javascripts/lib/utils/common_utils_spec.js.es6
@@ -43,14 +43,35 @@ require('~/lib/utils/common_utils');
 
     describe('gl.utils.handleLocationHash', () => {
       beforeEach(() => {
-        window.history.pushState({}, null, '#definição');
+        spyOn(window.document, 'getElementById').and.callThrough();
       });
 
+      function expectGetElementIdToHaveBeenCalledWith(elementId) {
+        expect(window.document.getElementById).toHaveBeenCalledWith(elementId);
+      }
+
       it('decodes hash parameter', () => {
-        spyOn(window.document, 'getElementById').and.callThrough();
+        window.history.pushState({}, null, '#random-hash');
         gl.utils.handleLocationHash();
-        expect(window.document.getElementById).toHaveBeenCalledWith('definição');
-        expect(window.document.getElementById).toHaveBeenCalledWith('user-content-definição');
+
+        expectGetElementIdToHaveBeenCalledWith('random-hash');
+        expectGetElementIdToHaveBeenCalledWith('user-content-random-hash');
+      });
+
+      it('decodes cyrillic hash parameter', () => {
+        window.history.pushState({}, null, '#definição');
+        gl.utils.handleLocationHash();
+
+        expectGetElementIdToHaveBeenCalledWith('definição');
+        expectGetElementIdToHaveBeenCalledWith('user-content-definição');
+      });
+
+      it('decodes encoded cyrillic hash parameter', () => {
+        window.history.pushState({}, null, '#defini%C3%A7%C3%A3o');
+        gl.utils.handleLocationHash();
+
+        expectGetElementIdToHaveBeenCalledWith('definição');
+        expectGetElementIdToHaveBeenCalledWith('user-content-definição');
       });
     });