Integration test for uploading source bundles in empty project (#105)

#skip-changelog

## 📜 Description
add integration test for PR #103


## 💡 Motivation and Context
<!--- Why is this change required? What problem does it solve? -->
<!--- If it fixes an open issue, please link to the issue here. -->


## 💚 How did you test it?


## 📝 Checklist
<!--- Put an `x` in the boxes that apply -->
- [ ] I reviewed the submitted code
- [ ] I added tests to verify the changes
- [ ] I updated the docs if needed
- [ ] No breaking changes


## 🔮 Next steps

src/test/java/io/sentry/integration/cli/SentryCliWhitespacesTestIT.kt

@@ -81,6 +81,20 @@ class SentryCliWhitespacesTestIT {
         verifier.resetStreams()
     }
 
+    @Test
+    fun buildsSuccessfullyWithNoSourceRootAndLogs() {
+        val cliPath = SentryCliProvider.getCliPath(MavenProject(), null)
+        val baseDir = setupEmptyProject()
+
+        val path = getPOM(baseDir, sentryCliPath = cliPath)
+
+        val verifier = Verifier(path)
+        verifier.isAutoclean = false
+        verifier.executeGoal("install")
+        verifier.verifyErrorFreeLog()
+        verifier.verifyTextInLog("Skipping module, as it doesn't have any source roots")
+    }
+
     private fun setupProject(): File {
         val baseDir = File(file, "base with spaces")
         val srcDir = File(baseDir, "/src/main/java")
@@ -97,6 +111,16 @@ class SentryCliWhitespacesTestIT {
         return baseDir
     }
 
+    private fun setupEmptyProject(): File {
+        val baseDir = File(file, "empty-base-dir")
+        val baseDirResult = baseDir.mkdir()
+
+        assertTrue(baseDirResult, "Error creating base directory")
+        installMavenWrapper(baseDir, "3.8.6")
+
+        return baseDir
+    }
+
     private fun getUploadedBundleIdFromLog(output: String): String? {
         val uploadedIdRegex = """\w+":\{"state":"ok","missingChunks":\[],"uploaded_id":"(\w+-\w+-\w+-\w+-\w+)""".toRegex()
         return uploadedIdRegex.find(output)?.groupValues?.get(1)