diff --git a/cmd/heartbeat/heartbeat_test.go b/cmd/heartbeat/heartbeat_test.go
index 818e88b3..11f48d45 100644
--- a/cmd/heartbeat/heartbeat_test.go
+++ b/cmd/heartbeat/heartbeat_test.go
@@ -847,8 +847,13 @@ func TestSendHeartbeats_ErrBackoff(t *testing.T) {
 
 	defer logFile.Close()
 
-	v := viper.New()
+	tmpFile, err := os.CreateTemp(tmpDir, "wakatime")
+	require.NoError(t, err)
+
+	defer tmpFile.Close()
 
+	v := viper.New()
+	v.Set("internal-config", tmpFile.Name())
 	v.Set("internal.backoff_at", time.Now().Add(10*time.Minute).Format(ini.DateFormat))
 	v.Set("internal.backoff_retries", "1")
 	v.SetDefault("sync-offline-activity", 1000)
@@ -912,8 +917,13 @@ func TestSendHeartbeats_ErrBackoff_Verbose(t *testing.T) {
 
 	defer logFile.Close()
 
-	v := viper.New()
+	tmpFile, err := os.CreateTemp(tmpDir, "wakatime")
+	require.NoError(t, err)
+
+	defer tmpFile.Close()
 
+	v := viper.New()
+	v.Set("internal-config", tmpFile.Name())
 	v.Set("internal.backoff_at", time.Now().Add(10*time.Minute).Format(ini.DateFormat))
 	v.Set("internal.backoff_retries", "1")
 	v.SetDefault("sync-offline-activity", 1000)
diff --git a/cmd/offlinesync/offlinesync_test.go b/cmd/offlinesync/offlinesync_test.go
index cad6f803..8e717624 100644
--- a/cmd/offlinesync/offlinesync_test.go
+++ b/cmd/offlinesync/offlinesync_test.go
@@ -210,9 +210,15 @@ func TestRunWithoutRateLimiting(t *testing.T) {
 func TestRunWithRateLimiting_RateLimited(t *testing.T) {
 	resetSingleton(t)
 
+	tmpFile, err := os.CreateTemp(t.TempDir(), "wakatime")
+	require.NoError(t, err)
+
+	defer tmpFile.Close()
+
 	v := viper.New()
 	v.Set("key", "00000000-0000-4000-8000-000000000000")
 	v.Set("heartbeat-rate-limit-seconds", 500)
+	v.Set("internal-config", tmpFile.Name())
 	v.Set("internal.heartbeats_last_sent_at", time.Now().Add(-time.Minute).Format(time.RFC3339))
 
 	code, err := offlinesync.RunWithRateLimiting(v)
diff --git a/cmd/run_internal_test.go b/cmd/run_internal_test.go
index 425599cd..cc05a604 100644
--- a/cmd/run_internal_test.go
+++ b/cmd/run_internal_test.go
@@ -8,7 +8,6 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"os"
-	"runtime"
 	"testing"
 	"time"
 
@@ -111,10 +110,6 @@ func TestRunCmd_ErrOfflineEnqueue(t *testing.T) {
 }
 
 func TestRunCmd_BackoffLoggedWithVerbose(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skip("Skipping because OS is windows.")
-	}
-
 	verbose := true
 
 	testServerURL, router, tearDown := setupTestServer()
@@ -135,6 +130,11 @@ func TestRunCmd_BackoffLoggedWithVerbose(t *testing.T) {
 
 	defer logFile.Close()
 
+	tmpFile, err := os.CreateTemp(tmpDir, "wakatime")
+	require.NoError(t, err)
+
+	defer tmpFile.Close()
+
 	offlineQueueFile, err := os.CreateTemp(tmpDir, "")
 	require.NoError(t, err)
 
@@ -151,6 +151,7 @@ func TestRunCmd_BackoffLoggedWithVerbose(t *testing.T) {
 	v.Set("key", "00000000-0000-4000-8000-000000000000")
 	v.Set("log-file", logFile.Name())
 	v.Set("offline-queue-file", offlineQueueFile.Name())
+	v.Set("internal-config", tmpFile.Name())
 	v.Set("internal.backoff_at", time.Now().Add(10*time.Minute).Format(ini.DateFormat))
 	v.Set("internal.backoff_retries", "1")
 	v.Set("verbose", verbose)
@@ -174,10 +175,6 @@ func TestRunCmd_BackoffLoggedWithVerbose(t *testing.T) {
 }
 
 func TestRunCmd_BackoffNotLogged(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skip("Skipping because OS is windows.")
-	}
-
 	verbose := false
 
 	testServerURL, router, tearDown := setupTestServer()
@@ -203,6 +200,11 @@ func TestRunCmd_BackoffNotLogged(t *testing.T) {
 
 	defer logFile.Close()
 
+	tmpFile, err := os.CreateTemp(tmpDir, "wakatime")
+	require.NoError(t, err)
+
+	defer tmpFile.Close()
+
 	entity, err := os.CreateTemp(tmpDir, "")
 	require.NoError(t, err)
 
@@ -214,6 +216,7 @@ func TestRunCmd_BackoffNotLogged(t *testing.T) {
 	v.Set("key", "00000000-0000-4000-8000-000000000000")
 	v.Set("log-file", logFile.Name())
 	v.Set("offline-queue-file", offlineQueueFile.Name())
+	v.Set("internal-config", tmpFile.Name())
 	v.Set("internal.backoff_at", time.Now().Add(10*time.Minute).Format(ini.DateFormat))
 	v.Set("internal.backoff_retries", "1")
 	v.Set("verbose", verbose)
diff --git a/pkg/project/tfvc_test.go b/pkg/project/tfvc_test.go
index 6e79b9a5..77525367 100644
--- a/pkg/project/tfvc_test.go
+++ b/pkg/project/tfvc_test.go
@@ -14,10 +14,6 @@ import (
 )
 
 func TestTfvc_Detect(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skip("Skipping because OS is windows.")
-	}
-
 	fp := setupTestTfvc(t, ".tf")
 
 	s := project.Tfvc{
diff --git a/pkg/remote/remote_test.go b/pkg/remote/remote_test.go
index 2215e4ee..b1385e7f 100644
--- a/pkg/remote/remote_test.go
+++ b/pkg/remote/remote_test.go
@@ -9,7 +9,6 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
-	"runtime"
 	"strconv"
 	"strings"
 	"testing"
@@ -64,10 +63,6 @@ func TestNewClient_Err(t *testing.T) {
 }
 
 func TestWithDetection_SshConfig_Hostname(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skip("Skipping because OS is Windows.")
-	}
-
 	shutdown, host, port := testServer(t, false)
 	defer shutdown()
 
@@ -133,10 +128,6 @@ func TestWithDetection_SshConfig_Hostname(t *testing.T) {
 }
 
 func TestWithDetection_SshConfig_UserKnownHostsFile_Mismatch(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skip("Skipping because OS is Windows.")
-	}
-
 	logs := bytes.NewBuffer(nil)
 
 	teardownLogCapture := captureLogs(logs)
@@ -199,10 +190,6 @@ func TestWithDetection_SshConfig_UserKnownHostsFile_Mismatch(t *testing.T) {
 }
 
 func TestWithDetection_SshConfig_UserKnownHostsFile_Match(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skip("Skipping because OS is Windows.")
-	}
-
 	logs := bytes.NewBuffer(nil)
 
 	teardownLogCapture := captureLogs(logs)
@@ -282,10 +269,6 @@ func TestWithDetection_SshConfig_UserKnownHostsFile_Match(t *testing.T) {
 }
 
 func TestWithDetection_Filtered(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skip("Skipping because OS is Windows.")
-	}
-
 	logs := bytes.NewBuffer(nil)
 
 	teardownLogCapture := captureLogs(logs)