diff --git a/boolean_test.go b/boolean_test.go
index e88c2f7..27b22ae 100644
--- a/boolean_test.go
+++ b/boolean_test.go
@@ -11,6 +11,6 @@ func TestBoolean_Boolean(t *testing.T) {
 	f := faker.NewFaker().Boolean()
 
 	if reflect.TypeOf(f.Boolean()).String() != "bool" {
-		t.Fatal("Boolean type must be bool")
+		t.Error("Boolean type must be bool")
 	}
 }
diff --git a/faker_test.go b/faker_test.go
index e09d949..775e5b8 100644
--- a/faker_test.go
+++ b/faker_test.go
@@ -8,27 +8,30 @@ import (
 )
 
 func TestIntBetween(t *testing.T) {
+	t.Parallel()
+
 	f := faker.NewFaker()
 
-	tests := []struct {
+	for _, tc := range []struct {
 		name string
 		min  int
 		max  int
 	}{
 		{
-			name: "",
+			name: "min 1, max 100",
 			min:  1,
 			max:  100,
 		},
 		{
-			name: "",
+			name: "min 1, max 1",
 			min:  1,
 			max:  1,
 		},
-	}
-
-	for _, tc := range tests {
+	} {
+		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
 			value := f.IntBetween(tc.min, tc.max)
 
 			valueType := fmt.Sprintf("%T", value)
@@ -49,7 +52,9 @@ func TestIntBetween(t *testing.T) {
 }
 
 func TestByName(t *testing.T) {
-	tests := []struct {
+	t.Parallel()
+
+	for _, tc := range []struct {
 		name  string
 		faker string
 	}{
@@ -157,15 +162,16 @@ func TestByName(t *testing.T) {
 			name:  "",
 			faker: "UUID",
 		},
-	}
-
-	for _, tc := range tests {
+	} {
+		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
 			f := faker.NewFaker()
 			got := f.ByName(tc.faker)
 
 			if nil == got {
-				t.Fatal("faker by name is nil")
+				t.Error("faker by name is nil")
 			}
 		})
 	}
diff --git a/internet_test.go b/internet_test.go
index eea0588..8a1da75 100644
--- a/internet_test.go
+++ b/internet_test.go
@@ -11,7 +11,7 @@ func TestUsername(t *testing.T) {
 	username := i.Username()
 
 	if len(username) == 0 {
-		t.Fatal("username is empty")
+		t.Error("username is empty")
 	}
 }
 
@@ -20,7 +20,7 @@ func TestGTLD(t *testing.T) {
 	gTLD := i.GTLD()
 
 	if len(gTLD) == 0 {
-		t.Fatal("gTLD is empty")
+		t.Error("GTLD is empty")
 	}
 }
 
@@ -29,7 +29,7 @@ func TestDomain(t *testing.T) {
 	d := i.Domain()
 
 	if len(d) == 0 {
-		t.Fatal("domain is empty")
+		t.Error("domain is empty")
 	}
 }
 
@@ -38,6 +38,6 @@ func TestEmail(t *testing.T) {
 	e := i.Email()
 
 	if len(e) == 0 {
-		t.Fatal("domain is empty")
+		t.Error("email is empty")
 	}
 }
diff --git a/person_test.go b/person_test.go
index 9089d92..4a9f0e9 100644
--- a/person_test.go
+++ b/person_test.go
@@ -12,7 +12,7 @@ func TestPerson_FirstName(t *testing.T) {
 	firstName := f.Person().FirstName()
 
 	if len(firstName) == 0 {
-		t.Fatal("firstName is empty")
+		t.Error("firstName is empty")
 	}
 }
 
@@ -22,7 +22,7 @@ func TestPerson_LastName(t *testing.T) {
 	lastName := p.LastName()
 
 	if len(lastName) == 0 {
-		t.Fatal("lastName is empty")
+		t.Error("lastName is empty")
 	}
 }
 
@@ -31,7 +31,7 @@ func TestPerson_FirstNameMale(t *testing.T) {
 	firstNameMale := f.Person().FirstNameMale()
 
 	if len(firstNameMale) == 0 {
-		t.Fatal("firstNameMale is empty")
+		t.Error("firstNameMale is empty")
 	}
 }
 
@@ -41,7 +41,7 @@ func TestPerson_FirstNameFemale(t *testing.T) {
 	firstNameFemale := p.FirstNameFemale()
 
 	if len(firstNameFemale) == 0 {
-		t.Fatal("firstNameFemale is empty")
+		t.Error("firstNameFemale is empty")
 	}
 }
 
@@ -51,19 +51,19 @@ func TestPerson_Name(t *testing.T) {
 	name := p.Name()
 
 	if len(name) == 0 {
-		t.Fatal("name is empty")
+		t.Error("name is empty")
 	}
 
 	if strings.Contains(name, "{{FirstNameMale}}") {
-		t.Fatal("name is format")
+		t.Error("name is format")
 	}
 
 	if strings.Contains(name, "{{FirstNameFemale}}") {
-		t.Fatal("name is format")
+		t.Error("name is format")
 	}
 
 	if strings.Contains(name, "{{LastName}}") {
-		t.Fatal("name is format")
+		t.Error("name is format")
 	}
 }
 
@@ -73,7 +73,7 @@ func TestPerson_NameMale(t *testing.T) {
 	nameMale := p.NameMale()
 
 	if len(nameMale) == 0 {
-		t.Fatal("nameMale is empty")
+		t.Error("nameMale is empty")
 	}
 }
 
@@ -83,7 +83,7 @@ func TestPerson_NameFemale(t *testing.T) {
 	nameFemale := p.NameFemale()
 
 	if len(nameFemale) == 0 {
-		t.Fatal("nameFemale is empty")
+		t.Error("nameFemale is empty")
 	}
 }
 
@@ -93,7 +93,7 @@ func TestPerson_Gender(t *testing.T) {
 	gender := p.Gender()
 
 	if !(gender == "Male" || gender == "Female") {
-		t.Fatal("gender must be male or female")
+		t.Error("gender must be male or female")
 	}
 }
 
@@ -103,7 +103,7 @@ func TestPerson_GenderMale(t *testing.T) {
 	genderMale := p.GenderMale()
 
 	if genderMale != "Male" {
-		t.Fatal("genderMale must be male")
+		t.Error("genderMale must be male")
 	}
 }
 
@@ -113,6 +113,6 @@ func TestPerson_GenderFemale(t *testing.T) {
 	genderFemale := p.GenderFemale()
 
 	if genderFemale != "Female" {
-		t.Fatal("genderFemale must be female")
+		t.Error("genderFemale must be female")
 	}
 }
diff --git a/uuid_test.go b/uuid_test.go
index 8e6b901..d364c5a 100644
--- a/uuid_test.go
+++ b/uuid_test.go
@@ -13,11 +13,11 @@ func TestUUID_v4(t *testing.T) {
 
 	match, err := regexp.MatchString("^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$", value)
 	if err != nil {
-		t.Fatal(err)
+		t.Error(err)
 	}
 
 	if !match {
-		t.Fatal("want true, got false")
+		t.Error("want true, got false")
 	}
 }
 
@@ -27,6 +27,6 @@ func TestUUID_V4UniqueInSequence(t *testing.T) {
 	current := f.UUID().V4()
 
 	if last == current {
-		t.Fatal("want unique uuid")
+		t.Error("want unique uuid")
 	}
 }