Add SPDX-License-Identifier headers to most files.

This tags all the files that I can clearly identify as being part of
Netdata and not a local copy of a third party package that we're
redistributing.

4 files changed, 8 insertions, 4 deletions

diff --git a/tests/node.d/fronius.chart.spec.js b/tests/node.d/fronius.chart.spec.js
index 2d2b57cded..63d322aefe 100644
--- a/tests/node.d/fronius.chart.spec.js
+++ b/tests/node.d/fronius.chart.spec.js
@@ -1,4 +1,5 @@
 "use strict";
+// SPDX-License-Identifier: GPL-3.0+
 
 var netdata = require("../../node.d/node_modules/netdata");
 // remember: subject will be a singleton!
@@ -158,4 +159,4 @@ describe("fronius chart creation", function () {
 
         expect(first).toBe(second);
     });
-});
\ No newline at end of file
+});
diff --git a/tests/node.d/fronius.parse.spec.js b/tests/node.d/fronius.parse.spec.js
index 0dbfa030d5..69397668a5 100644
--- a/tests/node.d/fronius.parse.spec.js
+++ b/tests/node.d/fronius.parse.spec.js
@@ -1,4 +1,5 @@
 "use strict";
+// SPDX-License-Identifier: GPL-3.0+
 
 var netdata = require("../../node.d/node_modules/netdata");
 // remember: subject will be a singleton!
@@ -329,4 +330,4 @@ describe("fronius parsing for inverters", function () {
        expect(result.value).toBe(1000);
     });
 
-});
\ No newline at end of file
+});
diff --git a/tests/node.d/fronius.process.spec.js b/tests/node.d/fronius.process.spec.js
index daa84f3903..f7aad41f78 100644
--- a/tests/node.d/fronius.process.spec.js
+++ b/tests/node.d/fronius.process.spec.js
@@ -1,4 +1,5 @@
 "use strict";
+// SPDX-License-Identifier: GPL-3.0+
 
 var netdata = require("../../node.d/node_modules/netdata");
 // remember: subject will be a singleton!
@@ -71,4 +72,4 @@ describe("fronius main processing", function () {
     });
 
 
-});
\ No newline at end of file
+});
diff --git a/tests/node.d/fronius.validation.spec.js b/tests/node.d/fronius.validation.spec.js
index 08b7e430f2..bc98939158 100644
--- a/tests/node.d/fronius.validation.spec.js
+++ b/tests/node.d/fronius.validation.spec.js
@@ -1,4 +1,5 @@
 "use strict";
+// SPDX-License-Identifier: GPL-3.0+
 
 var netdata = require("../../node.d/node_modules/netdata");
 // remember: subject will be a singleton!
@@ -151,4 +152,4 @@ describe("fronius configuration validation", function () {
         expect(subject.serviceExecute).toHaveBeenCalledWith(name2, "solar2.local/", 3);
     });
 
-});
\ No newline at end of file
+});