test: add coverage for api-key

e2e/flags/.snapshots/TestApiKeyFlags-bad-api-key

@@ -0,0 +1,4 @@
+{}
+
+--
+

e2e/flags/.snapshots/TestApiKeyFlags-bad-api-key-with-stderr

@@ -0,0 +1,11 @@
+{}
+
+--
+Loading rules
+Scanning target e2e/flags/testdata/simple
+ └ 100% [===============] (1/1, 1 files/s) [0s]
+Running Detectors
+Generating dataflow
+Evaluating rules
+Failed to send data to Bearer Cloud. API key does not appear to be valid for my.bearer.sh. 
+

e2e/flags/api_key_test.go

@@ -0,0 +1,28 @@
+package flags_test
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/bearer/bearer/e2e/internal/testhelper"
+)
+
+func TestApiKeyFlags(t *testing.T) {
+	t.Parallel()
+	arguments := []string{
+		"scan",
+		filepath.Join("e2e", "flags", "testdata", "simple"),
+		"--disable-version-check",
+		"--disable-default-rules",
+		"--api-key",
+		"123",
+		"--format",
+		"json",
+	}
+	tests := []testhelper.TestCase{
+		testhelper.NewTestCase("bad-api-key-with-stderr", arguments, testhelper.TestCaseOptions{DisplayStdErr: true, IgnoreForce: true}),
+		testhelper.NewTestCase("bad-api-key", arguments, testhelper.TestCaseOptions{DisplayStdErr: false, IgnoreForce: true}),
+	}
+
+	testhelper.RunTests(t, tests)
+}