enable experiment (#874)

Author: malmstein

app/src/androidTest/java/com/duckduckgo/app/statistics/VariantManagerTest.kt

@@ -137,22 +137,22 @@ class VariantManagerTest {
     @Test
     fun serpHeaderControlVariantHasExpectedWeightAndNoFeatures() {
         val variant = variants.first { it.key == "zg" }
-        assertEqualsDouble(0.0, variant.weight)
+        assertEqualsDouble(1.0, variant.weight)
         assertEquals(0, variant.features.size)
     }
 
     @Test
     fun serpHeaderVariantHasExpectedWeightAndSERPHeaderRemovalFeature() {
         val variant = variants.first { it.key == "zi" }
-        assertEqualsDouble(0.0, variant.weight)
+        assertEqualsDouble(1.0, variant.weight)
         assertEquals(1, variant.features.size)
         assertEquals(SerpHeaderRemoval, variant.features[0])
     }
 
     @Test
     fun serpHeaderVariantHasExpectedWeightAndSERPHeaderQueryReplacementFeature() {
         val variant = variants.first { it.key == "zh" }
-        assertEqualsDouble(0.0, variant.weight)
+        assertEqualsDouble(1.0, variant.weight)
         assertEquals(1, variant.features.size)
         assertEquals(SerpHeaderQueryReplacement, variant.features[0])
     }

app/src/main/java/com/duckduckgo/app/statistics/VariantManager.kt

@@ -88,17 +88,17 @@ interface VariantManager {
             // Disabled until Drip Notifications Experiments are completed
             Variant(
                 key = "zg",
-                weight = 0.0,
+                weight = 1.0,
                 features = emptyList(),
                 filterBy = { noFilter() }),
             Variant(
                 key = "zh",
-                weight = 0.0,
+                weight = 1.0,
                 features = listOf(VariantFeature.SerpHeaderQueryReplacement),
                 filterBy = { noFilter() }),
             Variant(
                 key = "zi",
-                weight = 0.0,
+                weight = 1.0,
                 features = listOf(VariantFeature.SerpHeaderRemoval),
                 filterBy = { noFilter() })