Never cache integration and prod tests; always run them so that we dont miss checking for the latest version of our dependencies (#8192)

Co-authored-by: Chris Chestnut <cchestnut@google.com>

Author: MaesterChestnut

firebase-appdistribution-gradle/firebase-appdistribution-gradle.gradle

@@ -171,6 +171,10 @@ task integrationTest(type: Test) {
   description = 'Runs integration tests.'
   group = 'verification'
 
+  // Disable caching because the tests use com.google.firebase.appdistribution.gradle.VersionUtils,
+  // which fetches the latest version from the internet.
+  outputs.upToDateWhen { false }
+
   testClassesDirs = sourceSets.integrationTest.output.classesDirs
   classpath = sourceSets.integrationTest.runtimeClasspath
 
@@ -185,6 +189,10 @@ task prodTest(type: Test) {
   description = 'Runs prod tests.'
   group = 'verification'
 
+  // Disable caching because the tests use com.google.firebase.appdistribution.gradle.VersionUtils,
+  // which fetches the latest version from the internet.
+  outputs.upToDateWhen { false }
+
   testClassesDirs = sourceSets.prodTest.output.classesDirs
   classpath = sourceSets.prodTest.runtimeClasspath