Remove redundant throws from ErrorProne tests.

Automated with intellij, then reverted anything under //java/

RELNOTES: N/A

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=209939994

annotation/src/test/java/com/google/errorprone/BugPatternValidatorTest.java

@@ -64,7 +64,7 @@ final class BugPatternTestClass {}
   }
 
   @Test
-  public void linkTypeNoneButIncludesLink() throws Exception {
+  public void linkTypeNoneButIncludesLink() {
     @BugPattern(
         name = "LinkTypeNoneButIncludesLink",
         summary = "linkType none but includes link",
@@ -96,7 +96,7 @@ final class BugPatternTestClass {}
   }
 
   @Test
-  public void linkTypeCustomButNoLink() throws Exception {
+  public void linkTypeCustomButNoLink() {
     @BugPattern(
         name = "LinkTypeCustomButNoLink",
         summary = "linkType custom but no link",

check_api/src/test/java/com/google/errorprone/ErrorProneOptionsTest.java

@@ -39,14 +39,14 @@
 public class ErrorProneOptionsTest {
 
   @Test
-  public void nonErrorProneFlagsPlacedInRemainingArgs() throws Exception {
+  public void nonErrorProneFlagsPlacedInRemainingArgs() {
     String[] args = {"-nonErrorProneFlag", "value"};
     ErrorProneOptions options = ErrorProneOptions.processArgs(args);
     assertThat(options.getRemainingArgs()).isEqualTo(args);
   }
 
   @Test
-  public void malformedOptionThrowsProperException() throws Exception {
+  public void malformedOptionThrowsProperException() {
     List<String> badArgs =
         Arrays.asList(
             "-Xep:Foo:WARN:jfkdlsdf", // too many parts
@@ -64,7 +64,7 @@ public void malformedOptionThrowsProperException() throws Exception {
   }
 
   @Test
-  public void handlesErrorProneSeverityFlags() throws Exception {
+  public void handlesErrorProneSeverityFlags() {
     String[] args1 = {"-Xep:Check1"};
     ErrorProneOptions options = ErrorProneOptions.processArgs(args1);
     Map<String, Severity> expectedSeverityMap =
@@ -83,7 +83,7 @@ public void handlesErrorProneSeverityFlags() throws Exception {
   }
 
   @Test
-  public void handlesErrorProneCustomFlags() throws Exception {
+  public void handlesErrorProneCustomFlags() {
     String[] args = {"-XepOpt:Flag1", "-XepOpt:Flag2=Value2", "-XepOpt:Flag3=a,b,c"};
     ErrorProneOptions options = ErrorProneOptions.processArgs(args);
     Map<String, String> expectedFlagsMap =
@@ -96,7 +96,7 @@ public void handlesErrorProneCustomFlags() throws Exception {
   }
 
   @Test
-  public void combineErrorProneFlagsWithNonErrorProneFlags() throws Exception {
+  public void combineErrorProneFlagsWithNonErrorProneFlags() {
     String[] args = {
       "-classpath",
       "/this/is/classpath",
@@ -119,7 +119,7 @@ public void combineErrorProneFlagsWithNonErrorProneFlags() throws Exception {
   }
 
   @Test
-  public void lastSeverityFlagWins() throws Exception {
+  public void lastSeverityFlagWins() {
     String[] args = {"-Xep:Check1:ERROR", "-Xep:Check1:OFF"};
     ErrorProneOptions options = ErrorProneOptions.processArgs(args);
     Map<String, Severity> expectedSeverityMap =

core/src/test/java/com/google/errorprone/CommandLineFlagTest.java

@@ -117,7 +117,7 @@ public void setUp() {
   /* Tests for new-style ("-Xep:") flags */
 
   @Test
-  public void malformedFlag() throws Exception {
+  public void malformedFlag() {
     ErrorProneTestCompiler compiler = builder.build();
 
     List<String> badArgs =
@@ -137,7 +137,7 @@ public void malformedFlag() throws Exception {
   // We have to use one of the built-in checkers for the following two tests because there is no
   // way to specify a custom checker and have it be off by default.
   @Test
-  public void canEnableWithDefaultSeverity() throws Exception {
+  public void canEnableWithDefaultSeverity() {
     ErrorProneTestCompiler compiler = builder.build();
     List<JavaFileObject> sources =
         compiler
@@ -153,7 +153,7 @@ public void canEnableWithDefaultSeverity() throws Exception {
   }
 
   @Test
-  public void canEnableWithOverriddenSeverity() throws Exception {
+  public void canEnableWithOverriddenSeverity() {
     ErrorProneTestCompiler compiler = builder.build();
     List<JavaFileObject> sources =
         compiler
@@ -172,7 +172,7 @@ public void canEnableWithOverriddenSeverity() throws Exception {
   }
 
   @Test
-  public void canPromoteToError() throws Exception {
+  public void canPromoteToError() {
     ErrorProneTestCompiler compiler =
         builder.report(ScannerSupplier.fromBugCheckerClasses(WarningChecker.class)).build();
     List<JavaFileObject> sources =
@@ -187,7 +187,7 @@ public void canPromoteToError() throws Exception {
   }
 
   @Test
-  public void canDemoteToWarning() throws Exception {
+  public void canDemoteToWarning() {
     ErrorProneTestCompiler compiler =
         builder.report(ScannerSupplier.fromBugCheckerClasses(ErrorChecker.class)).build();
     List<JavaFileObject> sources =
@@ -203,7 +203,7 @@ public void canDemoteToWarning() throws Exception {
   }
 
   @Test
-  public void canDisable() throws Exception {
+  public void canDisable() {
     ErrorProneTestCompiler compiler =
         builder.report(ScannerSupplier.fromBugCheckerClasses(DisableableChecker.class)).build();
     List<JavaFileObject> sources =
@@ -219,7 +219,7 @@ public void canDisable() throws Exception {
   }
 
   @Test
-  public void cantDisableNondisableableCheck() throws Exception {
+  public void cantDisableNondisableableCheck() {
     ErrorProneTestCompiler compiler =
         builder.report(ScannerSupplier.fromBugCheckerClasses(NondisableableChecker.class)).build();
     List<JavaFileObject> sources =
@@ -231,7 +231,7 @@ public void cantDisableNondisableableCheck() throws Exception {
   }
 
   @Test
-  public void cantOverrideNonexistentCheck() throws Exception {
+  public void cantOverrideNonexistentCheck() {
     ErrorProneTestCompiler compiler = builder.build();
     List<JavaFileObject> sources =
         compiler.fileManager().forResources(getClass(), "CommandLineFlagTestFile.java");
@@ -250,7 +250,7 @@ public void cantOverrideNonexistentCheck() throws Exception {
   }
 
   @Test
-  public void cantOverrideByAltname() throws Exception {
+  public void cantOverrideByAltname() {
     ErrorProneTestCompiler compiler =
         builder.report(ScannerSupplier.fromBugCheckerClasses(DisableableChecker.class)).build();
     List<JavaFileObject> sources =
@@ -262,7 +262,7 @@ public void cantOverrideByAltname() throws Exception {
   }
 
   @Test
-  public void ignoreUnknownChecksFlagAllowsOverridingUnknownCheck() throws Exception {
+  public void ignoreUnknownChecksFlagAllowsOverridingUnknownCheck() {
     ErrorProneTestCompiler compiler = builder.build();
     List<JavaFileObject> sources =
         compiler.fileManager().forResources(getClass(), "CommandLineFlagTestFile.java");

core/src/test/java/com/google/errorprone/DiagnosticKindTest.java

@@ -72,7 +72,7 @@ public Description matchReturn(ReturnTree tree, VisitorState state) {
   }
 
   @Test
-  public void testError() throws Exception {
+  public void testError() {
     compilerBuilder.report(ScannerSupplier.fromBugCheckerClasses(ErrorChecker.class));
     ErrorProneTestCompiler compiler = compilerBuilder.build();
     Result result =
@@ -99,7 +99,7 @@ public Description matchReturn(ReturnTree tree, VisitorState state) {
   }
 
   @Test
-  public void testWarning() throws Exception {
+  public void testWarning() {
     compilerBuilder.report(ScannerSupplier.fromBugCheckerClasses(WarningChecker.class));
     ErrorProneTestCompiler compiler = compilerBuilder.build();
     Result result =
@@ -127,7 +127,7 @@ public Description matchReturn(ReturnTree tree, VisitorState state) {
   }
 
   @Test
-  public void testSuggestion() throws Exception {
+  public void testSuggestion() {
     compilerBuilder.report(ScannerSupplier.fromBugCheckerClasses(SuggestionChecker.class));
     ErrorProneTestCompiler compiler = compilerBuilder.build();
     Result result =