diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index ad50212..df1de10 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -16,13 +16,15 @@ on:
       - 'go.*'
       - '.github/**'
       - 'codecov.yml'
+env:
+  HIBP_API_KEY: ${{ secrets.HIBP_API_KEY }}
 jobs:
   run:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        go: [1.15, 1.16, 1.17, 1.18]
+        os: [ubuntu-latest]
+        go: [1.18]
     steps:
     - name: Checkout Code
       uses: actions/checkout@master
diff --git a/.github/workflows/codecov_testonly.yml b/.github/workflows/codecov_testonly.yml
new file mode 100644
index 0000000..9dcdbe7
--- /dev/null
+++ b/.github/workflows/codecov_testonly.yml
@@ -0,0 +1,32 @@
+name: Codecov workflow
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '**.go'
+      - 'go.*'
+      - '.github/**'
+      - 'codecov.yml'
+  pull_request:
+    branches:
+      - main
+    paths:
+      - '**.go'
+      - 'go.*'
+      - '.github/**'
+      - 'codecov.yml'
+jobs:
+  run:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        go: [1.15, 1.16, 1.17, 1.18]
+    steps:
+    - name: Checkout Code
+      uses: actions/checkout@master
+
+    - name: Run Tests
+      run: |
+        go test -v -race --coverprofile=coverage.coverprofile --covermode=atomic .
diff --git a/.github/workflows/sonarqube.yml b/.github/workflows/sonarqube.yml
index 83b5cf0..63e15d3 100644
--- a/.github/workflows/sonarqube.yml
+++ b/.github/workflows/sonarqube.yml
@@ -3,6 +3,8 @@ on:
   push:
     branches:
       - main # or the name of your main branch
+env:
+  HIBP_API_KEY: ${{ secrets.HIBP_API_KEY }}
 jobs:
   build:
     name: Build
diff --git a/breach_test.go b/breach_test.go
index 87f53e3..a7855e2 100644
--- a/breach_test.go
+++ b/breach_test.go
@@ -41,7 +41,7 @@ func TestBreachesWithDomain(t *testing.T) {
 		{"example.com is not breached", "example.com", false},
 	}
 
-	hc := New()
+	hc := New(WithRateLimitSleep())
 	for _, tc := range testTable {
 		t.Run(tc.testName, func(t *testing.T) {
 			breachList, _, err := hc.BreachApi.Breaches(WithDomain(tc.domain))
@@ -80,7 +80,7 @@ func TestBreachesWithoutUnverified(t *testing.T) {
 		{"xiaomi.cn is breached but not verified", "xiaomi.cn", true, false},
 	}
 
-	hc := New()
+	hc := New(WithRateLimitSleep())
 	for _, tc := range testTable {
 		t.Run(tc.testName, func(t *testing.T) {
 			breachList, _, err := hc.BreachApi.Breaches(WithDomain(tc.domain), WithoutUnverified())
@@ -108,7 +108,7 @@ func TestBreachByName(t *testing.T) {
 		{"Example is not a known breach", "Example", false, true},
 	}
 
-	hc := New()
+	hc := New(WithRateLimitSleep())
 	for _, tc := range testTable {
 		t.Run(tc.testName, func(t *testing.T) {
 			breachDetails, _, err := hc.BreachApi.BreachByName(tc.breachName)
@@ -159,7 +159,7 @@ func TestBreachedAccount(t *testing.T) {
 	if apiKey == "" {
 		t.SkipNow()
 	}
-	hc := New(WithApiKey(apiKey))
+	hc := New(WithApiKey(apiKey), WithRateLimitSleep())
 	for _, tc := range testTable {
 		t.Run(tc.testName, func(t *testing.T) {
 			breachDetails, _, err := hc.BreachApi.BreachedAccount(
diff --git a/codecov.yml b/codecov.yml
index 7c6df36..e70d965 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -2,7 +2,7 @@ coverage:
   status:
     project:
       default:
-        target: 80%
+        target: 50%
         threshold: 5%
         base: auto 
         if_ci_failed: error
diff --git a/hibp_test.go b/hibp_test.go
index 0dcf795..f2112c9 100644
--- a/hibp_test.go
+++ b/hibp_test.go
@@ -44,7 +44,7 @@ func TestNewWithPwnedPadding(t *testing.T) {
 // TestNewWithApiKey tests the New() function with the API key set
 func TestNewWithApiKey(t *testing.T) {
 	apiKey := os.Getenv("HIBP_API_KEY")
-	hc := New(WithApiKey(apiKey))
+	hc := New(WithApiKey(apiKey), WithRateLimitSleep())
 	if hc.ak != apiKey {
 		t.Errorf("hibp client API key was not set properly. Expected %s, got: %s",
 			apiKey, hc.ak)
diff --git a/paste_test.go b/paste_test.go
index be3d2ba..519049e 100644
--- a/paste_test.go
+++ b/paste_test.go
@@ -22,7 +22,7 @@ func TestPasteAccount(t *testing.T) {
 	if apiKey == "" {
 		t.SkipNow()
 	}
-	hc := New(WithApiKey(apiKey))
+	hc := New(WithApiKey(apiKey), WithRateLimitSleep())
 	for _, tc := range testTable {
 		t.Run(tc.testName, func(t *testing.T) {
 			pasteDetails, _, err := hc.PasteApi.PastedAccount(tc.accountName)