No issue: Add null as valid code

components/feature/search/src/main/java/mozilla/components/feature/search/telemetry/Utils.kt

@@ -20,7 +20,7 @@ private val validCodeSet = setOf(
     "firefox-b-lg", "firefox-b-huawei-h1611", "firefox-b-is-oem1", "firefox-b-oem1",
     "firefox-b-oem2", "firefox-b-tinno", "firefox-b-pn-wt", "firefox-b-pn-wt-us", "ubuntu",
     "ffab", "ffcm", "ffhp", "ffip", "ffit", "ffnt", "ffocus", "ffos", "ffsb", "fpas", "fpsa",
-    "ftas", "ftsa", "newext", "1000969a"
+    "ftas", "ftsa", "newext", "1000969a", null
 )
 
 /**
@@ -48,7 +48,7 @@ internal fun getTrackKey(
 
         // For Bug 1751920
         if (!validCodeSet.contains(code)) {
-            code = null
+            code = "other"
         }
 
         // Glean doesn't allow code starting with a figure

components/feature/search/src/test/java/mozilla/components/feature/search/telemetry/incontent/InContentTelemetryTest.kt

@@ -128,7 +128,7 @@ class InContentTelemetryTest {
     }
 
     @Test
-    fun `GIVEN a Bing search WHEN trackPartnerUrlTypeMetric is called THEN emit an appropriate IN_CONTENT_SEARCH fact`() {
+    fun `GIVEN an invalid Bing search WHEN trackPartnerUrlTypeMetric is called THEN emit an appropriate IN_CONTENT_SEARCH fact`() {
         val url = "https://www.bing.com/search?q=aaa&pc=MOZMBA"
         val facts = mutableListOf<Fact>()
         Facts.registerProcessor(object : FactProcessor {
@@ -143,7 +143,7 @@ class InContentTelemetryTest {
         assertEquals(Component.FEATURE_SEARCH, facts[0].component)
         assertEquals(Action.INTERACTION, facts[0].action)
         assertEquals(InContentTelemetry.IN_CONTENT_SEARCH, facts[0].item)
-        assertEquals("bing.in-content.sap.none", facts[0].value)
+        assertEquals("bing.in-content.sap.other", facts[0].value)
     }
 
     @Test
@@ -166,7 +166,7 @@ class InContentTelemetryTest {
     }
 
     @Test
-    fun `GIVEN a invalid Google sap-follow-on WHEN trackPartnerUrlTypeMetric is called THEN emit an appropriate IN_CONTENT_SEARCH fact`() {
+    fun `GIVEN an invalid Google sap-follow-on WHEN trackPartnerUrlTypeMetric is called THEN emit an appropriate IN_CONTENT_SEARCH fact`() {
         val url = "https://www.google.com/search?q=aaa&client=firefox-b-mTesting&oq=random"
         val facts = mutableListOf<Fact>()
         Facts.registerProcessor(object : FactProcessor {
@@ -181,7 +181,7 @@ class InContentTelemetryTest {
         assertEquals(Component.FEATURE_SEARCH, facts[0].component)
         assertEquals(Action.INTERACTION, facts[0].action)
         assertEquals(InContentTelemetry.IN_CONTENT_SEARCH, facts[0].item)
-        assertEquals("google.in-content.sap-follow-on.none", facts[0].value)
+        assertEquals("google.in-content.sap-follow-on.other", facts[0].value)
     }
 
     @Test