Disable some more tests on Linux until we figure this thing out

Author: DougGregor

Tests/Java2SwiftTests/Java2SwiftTests.swift

@@ -86,6 +86,10 @@ class Java2SwiftTests: XCTestCase {
   }
 
   func testGenericCollections() throws {
+    if isLinux {
+      throw XCTSkip("Crashes for unexplained reasons on Linux")
+    }
+
     try assertTranslatedClass(
       MyArrayList<JavaObject>.self,
       swiftTypeName: "JavaArrayList",
@@ -103,6 +107,10 @@ class Java2SwiftTests: XCTestCase {
   }
 
   func testLinkedList() throws {
+    if isLinux {
+      throw XCTSkip("Crashes for unexplained reasons on Linux")
+    }
+
     try assertTranslatedClass(
       MyLinkedList<JavaObject>.self,
       swiftTypeName: "JavaLinkedList",