Replace warnings with empty files

Right now lots of our tests assert that there's a warning about a
missing file.

Instead, just provide a valid dummy file.

java/gazelle/testdata/annotations/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/bin/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/bin_in_test_tree/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/bin_with_runtime_deps/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/directive_exclude/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/grpc/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/inner_classes/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/interface_exports/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/lib/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/lib_with_complex_runtime_deps/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/lib_with_invalid_label_in_runtime_deps/expectedStderr.txt

@@ -1,2 +1 @@
-{"level":"warn","_c":"maven-resolver","error":"open %WORKSPACEPATH%/maven_install.json: no such file or directory","message":"not loading maven dependencies"}
 {"level":"fatal","file.Pkg":"src/main/java/com/example/hello","name":"hello","dep":"@invalid:label","error":"label parse error: repository has invalid characters: \"@invalid:label\"","message":"label parse error"}

java/gazelle/testdata/lib_with_invalid_label_in_runtime_deps/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/lib_with_runtime_deps/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/lib_with_runtime_deps_and_map_kind/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/lib_with_unknown_import/expectedStderr.txt

@@ -1,3 +1,2 @@
-{"level":"warn","_c":"maven-resolver","error":"open %WORKSPACEPATH%/maven_install.json: no such file or directory","message":"not loading maven dependencies"}
 {"level":"warn","package":"com.idonotexist","from rule":"//src/main/java/com/example/hello","message":"Unable to find package for import in any dependency"}
 {"level":"fatal","message":"the java extension encontered errors that will create invalid build files"}

java/gazelle/testdata/lib_with_unknown_import/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/module_granularity_with_sources/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/multiple_packages_in_one_dir/expectedStderr.txt

@@ -1,2 +1 @@
-{"level":"warn","_c":"maven-resolver","error":"open %WORKSPACEPATH%/maven_install.json: no such file or directory","message":"not loading maven dependencies"}
 {"level":"fatal","step":"GenerateRules","rel":"src/main/com/example","error":"InvalidArgument: Expected exactly one java package, but saw 2: com.example, example","package":"src/main/com/example","message":"Failed to parse package"}

java/gazelle/testdata/multiple_packages_in_one_dir/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/packages/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/proto/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/runfiles/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/stdlib/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}

java/gazelle/testdata/test_without_production_code/maven_install.json

@@ -0,0 +1 @@
+{"version": "2"}