diff --git a/test/specs/__helpers.js b/test/specs/__helpers.js
index f14734f..d34cbda 100644
--- a/test/specs/__helpers.js
+++ b/test/specs/__helpers.js
@@ -76,7 +76,7 @@ setupBasicAuthTest = function setupBasicAuthTest() {
 
       expect(request.requestHeaders['Authorization']).toEqual('Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==');
       done();
-    }, 0);
+    }, 100);
   });
 
   it('should fail to encode HTTP Basic auth credentials with non-Latin1 characters', function (done) {
diff --git a/test/specs/instance.spec.js b/test/specs/instance.spec.js
index fe395f3..e97d5ee 100644
--- a/test/specs/instance.spec.js
+++ b/test/specs/instance.spec.js
@@ -94,7 +94,7 @@ describe('instance', function () {
         expect(response.config.foo).toEqual(undefined);
         expect(response.config.bar).toEqual(true);
         done();
-      });
+      }, 100);
     });
   });
 });
diff --git a/test/specs/interceptors.spec.js b/test/specs/interceptors.spec.js
index b8f845e..76dee5b 100644
--- a/test/specs/interceptors.spec.js
+++ b/test/specs/interceptors.spec.js
@@ -52,7 +52,7 @@ describe('interceptors', function () {
         setTimeout(function () {
           config.headers.async = 'promise';
           resolve(config);
-        }, 10);
+        }, 100);
       });
     });
 
@@ -105,11 +105,11 @@ describe('interceptors', function () {
         status: 200,
         responseText: 'OK'
       });
-      
+
       setTimeout(function () {
         expect(response.data).toBe('OK - modified by interceptor');
         done();
-      });
+      }, 100);
     });
   });
 
@@ -135,7 +135,7 @@ describe('interceptors', function () {
       setTimeout(function () {
         expect(response.data).toBe('stuff');
         done();
-      });
+      }, 100);
     });
   });
 
@@ -194,11 +194,11 @@ describe('interceptors', function () {
         status: 200,
         responseText: 'OK'
       });
-      
+
       setTimeout(function () {
         expect(response.data).toBe('OK123');
         done();
-      });
+      }, 100);
     });
   });
 
@@ -233,10 +233,10 @@ describe('interceptors', function () {
       setTimeout(function () {
         expect(response.data).toBe('OK13');
         done();
-      });
+      }, 100);
     });
   });
-  
+
   it('should execute interceptors before transformers', function (done) {
     axios.interceptors.request.use(function (config) {
       config.data.baz = 'qux';
diff --git a/test/specs/promise.spec.js b/test/specs/promise.spec.js
index 54cedd6..ffc17ce 100644
--- a/test/specs/promise.spec.js
+++ b/test/specs/promise.spec.js
@@ -27,7 +27,7 @@ describe('promise', function () {
         expect(response.headers['content-type']).toEqual('application/json');
         expect(response.config.url).toEqual('/foo');
         done();
-      });
+      }, 100);
     });
   });
 
diff --git a/test/specs/requests.spec.js b/test/specs/requests.spec.js
index 40234c6..f8cd032 100644
--- a/test/specs/requests.spec.js
+++ b/test/specs/requests.spec.js
@@ -141,7 +141,7 @@ describe('requests', function () {
         expect(response.data.error).toEqual('BAD USERNAME');
         expect(response.data.code).toEqual(1);
         done();
-      });
+      }, 100);
     });
   });
 
@@ -168,7 +168,7 @@ describe('requests', function () {
         expect(response.statusText).toEqual('OK');
         expect(response.headers['content-type']).toEqual('application/json');
         done();
-      });
+      }, 100);
     });
   });
 
@@ -196,7 +196,7 @@ describe('requests', function () {
         expect(response.statusText).toEqual('OK');
         expect(response.headers['content-type']).toEqual('application/json');
         done();
-      });
+      }, 100);
     });
   });
 
@@ -218,7 +218,7 @@ describe('requests', function () {
         expect(response.status).toEqual(204);
         expect(response.statusText).toEqual('No Content');
         done();
-      });
+      }, 100);
     });
   });
 
@@ -317,7 +317,7 @@ describe('requests', function () {
       setTimeout(function () {
         expect(response.data.byteLength).toBe(22);
         done();
-      });
+      }, 100);
     });
   });
 
diff --git a/test/specs/transform.spec.js b/test/specs/transform.spec.js
index eac9e11..5199ecb 100644
--- a/test/specs/transform.spec.js
+++ b/test/specs/transform.spec.js
@@ -32,12 +32,12 @@ describe('transform', function () {
         status: 200,
         responseText: '{"foo": "bar"}'
       });
-      
+
       setTimeout(function () {
         expect(typeof response.data).toEqual('object');
         expect(response.data.foo).toEqual('bar');
         done();
-      });
+      }, 100);
     });
   });