Add tests for third diagnostic (package not found)

Author: owen-mc

go/ql/integration-tests/all-platforms/go/diagnostics/package-not-found-with-go-mod/diagnostics.expected

@@ -0,0 +1,15 @@
+{
+  "internal": false,
+  "markdownMessage": "Check that the path is correct. If it is a private package, make sure it can be accessed. If it is contained in the repository then you may need a [custom build command](https://docs.github.com/en/github-ae@latest/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-the-codeql-workflow-for-compiled-languages#adding-build-steps-for-a-compiled-language)",
+  "severity": "error",
+  "source": {
+    "extractorName": "go",
+    "id": "go/extractor/package-not-found",
+    "name": "Package github.com/linode/linode-docs-theme could not be found"
+  },
+  "visibility": {
+    "cliSummaryTable": true,
+    "statusPage": true,
+    "telemetry": true
+  }
+}

go/ql/integration-tests/all-platforms/go/diagnostics/package-not-found-with-go-mod/test.py

@@ -0,0 +1,9 @@
+import sys
+
+from create_database_utils import *
+from diagnostics_test_utils import *
+
+os.environ['LGTM_INDEX_IMPORT_PATH'] = "test"
+run_codeql_database_create([], lang="go", source="work", db=None)
+
+check_diagnostics()

go/ql/integration-tests/all-platforms/go/diagnostics/package-not-found-with-go-mod/work/go.mod

@@ -0,0 +1,7 @@
+go 1.19
+
+require (
+        github.com/linode/linode-docs-theme v0.0.0-20220622135843-166f108e1933
+)
+
+module test

go/ql/integration-tests/all-platforms/go/diagnostics/package-not-found-with-go-mod/work/go.sum

@@ -0,0 +1 @@
+github.com/linode/linode-docs-theme v0.0.0-20220622135843-166f108e1933 h1:QchGQS6xESuyjdlNJEjvq2ftGX0sCTAhPhD5hAOJVMI=

go/ql/integration-tests/all-platforms/go/diagnostics/package-not-found-with-go-mod/work/test.go

@@ -0,0 +1,8 @@
+package test
+
+import linodedocstheme "github.com/linode/linode-docs-theme"
+
+func Test() {
+	theme := linodedocstheme.Theme{}
+	_ = theme
+}

go/ql/integration-tests/all-platforms/go/diagnostics/package-not-found-without-go-mod/diagnostics.expected

@@ -0,0 +1,15 @@
+{
+  "internal": false,
+  "markdownMessage": "Check that the path is correct. If it is a private package, make sure it can be accessed. If it is contained in the repository then you may need a [custom build command](https://docs.github.com/en/github-ae@latest/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-the-codeql-workflow-for-compiled-languages#adding-build-steps-for-a-compiled-language)",
+  "severity": "error",
+  "source": {
+    "extractorName": "go",
+    "id": "go/extractor/package-not-found",
+    "name": "Package github.com/linode/linode-docs-theme could not be found"
+  },
+  "visibility": {
+    "cliSummaryTable": true,
+    "statusPage": true,
+    "telemetry": true
+  }
+}

go/ql/integration-tests/all-platforms/go/diagnostics/package-not-found-without-go-mod/test.py

@@ -0,0 +1,9 @@
+import sys
+
+from create_database_utils import *
+from diagnostics_test_utils import *
+
+os.environ['LGTM_INDEX_IMPORT_PATH'] = "test"
+run_codeql_database_create([], lang="go", source="work", db=None)
+
+check_diagnostics()

go/ql/integration-tests/all-platforms/go/diagnostics/package-not-found-without-go-mod/work/test.go

@@ -0,0 +1,8 @@
+package test
+
+import linodedocstheme "github.com/linode/linode-docs-theme"
+
+func Test() {
+	theme := linodedocstheme.Theme{}
+	_ = theme
+}